How many ATP's is produced in the glycolysis of 2 glucose molecules?

Normal

BeI2 + SrSO4 → SrI2 + BeSO4

Complete ionic:

Be2+ + 2I- + Sr2+ + SO42- → Sr2+ + 2I- + Be2+ + SO42-

Net ionic:

Be2+ + 2I- → Sr2+ + 2I- + Be2+

The complete ionic equation for this reaction is the same as the normal equation, except that the reactants and products are written as their respective ions.

The net ionic equation is the same as the complete ionic equation, except that the spectator ions, which are ions that appear on both the reactant and product sides, are omitted.

In this reaction, strontium sulfate and beryllium iodide react to form strontium iodide and beryllium sulfate. The spectator ions are Sr2+ and 2I-, which appear on both sides of the equation and cancel out, leaving the net ionic equation.

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An experimental group and a control group are both included in a controlled experiment. At least one of the two groups—the group that is not subjected to the experimental treatment—is present in a controlled experiment.    

In controlled experiment, the researcher wants to determine how one or more variables affects on something. Since many different variables affecting the results, and most of them are not of interest to the researcher, and they will kept under control. They must remain constant. There must be at least of two groups. One of them is control group, and the other one is experimental group.  

During experiment, a researcher compares between two groups. Both are composed of individuals which is coming from same population, so they are very identical in all the aspects except for independent variables that the researcher changes in to the  experimental group and they observe that how they will affect the individuals.  Control group is used to identify any of the other factors influencing the results which is obtained in the study, apart from the modified variables of the treatment. Independent variable keeps constant in control group.  

The experimental group receives the treatment. The researcher voluntarily modifies the independent variable's values to see how it impacts the subjects. There can be several experimental groups.

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In a given reaction, the rate may be expressed as either the rate of formation of a product (X) or the rate of consumption of a reactant (Y). If the reaction is proceeding in the forward direction, the rate of formation of the product (X) will be positive and the rate of consumption of the reactant (Y) will be negative.

This means that X is being produced at a faster rate than it is being consumed and Y is being consumed at a faster rate than it is being produced.

Alternatively, if the reaction proceeds in the opposite direction, the rate of formation of products (X) is negative and the rate of consumption of reactants (Y) is positive. This means that X is consumed faster than it is produced, and Y is produced faster than it is consumed.

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The elements belonging to group 1 are more reactive than elements belonging to group 2.

The elements that belongs to s block elements are hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The nature of alkali metals is soft and shiny in appearance. They have low melting point and are highly reactive in nature and usually tarnish when exposed to air. Sodium (Na) is the most reactive element since it's valence electrons are not tightly held together in the atom. The three elements that are highly reactive are Lithium (Li), Sodium (Na), and potassium (K). The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive.

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The sodium is the anode of the cell while the magnesium is the cathode of the cell.

We know that in the cell, we are going to have just about two electrodes in the cell and we would have the cathode and the anode. We have to know that the cathode is the point by which the current would enter the cell and the cathode is the point from which the current would leave the cell.

Having said this, we should know that the investigation would have to take into account the reduction potentials of the magnesium as well as that of the sodium as these can be used in the construction of the cell that is under study here.

Hence, by consideration of the electrode potentials, we can see that the sodium would have to act as the anode of the cell and we would keep up with the magnesium as the cathode of the cell.

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the oxidation number of the oxygen atoms in h2o2 and the oxidation number of the oxygen atoms in o2 is -1 and 0

An atom's oxidation number (also known as oxidation state) in a chemical is an amount that represents the amount of electron density gained or lost by the atom during in the formation of the compound. In general, the oxidising number of an element in a compound can be determined using the following rules: n element's oxidising number is null whenever it is unrestricted (uncombined). The oxidation number of a polyatomic ion is equivalent towards the ion's charge. We can use these rules to calculate the oxidation number of the oxygen atoms in H2O2 and O2: In H2O2, the oxidation number of the oxygen atoms is -1. This is because the compound is neutral and the hydrogen atoms have an oxidation number of +1, so the oxygen atoms must have an oxidation number of -1 in order for the sum of all the oxidation numbers to be zero. In O2, the oxidation number of the oxygen atoms is 0. This is because the compound is a diatomic molecule and the oxidation number of the free element oxygen is 0.

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Diatomic elements are molecules composed of two atoms of the same element covalently bonded together, as opposed to other elements which are composed of only one atom.

Diatomic elements are those elements that exist in nature as molecules made up of two atoms. Examples of diatomic elements include oxygen (O2), hydrogen (H2), nitrogen (N2), fluorine (F2), chlorine (Cl2), and iodine (I2). These elements are the only elements that exist naturally as diatomic molecules.

This gives diatomic elements distinct properties compared to other elemental substances, such as having two different electron configurations, and having different spin states. Diatomic elements also have properties that are unique to them, such as having different boiling points, higher densities, and different reactivity. Additionally, diatomic elements are essential for life as many are used in crucial biochemical processes.

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the partial pressure of gas A in the total volume is 3.57 bar, and the partial pressure of gas B in the total volume is 0.70 bar.

When the gases are allowed to mix together, the total pressure of the mixture is equal to the sum of the partial pressures of each gas. The partial pressure of each gas is equal to the product of the total pressure and the mole fraction of that gas. To find the mole fraction of each gas, we first need to find the number of moles of each gas. The number of moles of gas in container A is given by PV/RT where P is the pressure, V is the volume, R is the ideal gas constant and T is the temperature.

n_A = (2.90 bar * 747 mL) / (8.314 J/molK * (273.15 + 23)) = 0.0295 mol

The number of moles of gas in container B is given by PV/RT

n_B = (4.30 bar * 119 mL) / (8.314 J/molK * (273.15 + 23)) = 0.0045 mol

The total number of moles of gas in the mixture is the sum of the number of moles of gas in container A and container B.

n_total = n_A + n_B = 0.0295 mol + 0.0045 mol = 0.0340 mol

The mole fraction of gas A in the mixture is the number of moles of gas A divided by the total number of moles of gas.

x_A = n_A / n_total = 0.0295 mol / 0.0340 mol = 0.8735

The mole fraction of gas B is

x_B = n_B / n_total = 0.0045 mol / 0.0340 mol = 0.1324

The partial pressure of gas A is equal to the total pressure multiplied by the mole fraction of gas A.

P_A = (0.8735) * (2.90 bar + 4.30 bar) = 3.57 bar. The partial pressure of gas B is equal to the total pressure multiplied by the mole fraction of gas B. P_B = (0.1324) * (2.90 bar + 4.30 bar) = 0.70 bar

So the partial pressure of gas A in the total volume is 3.57 bar, and the partial pressure of gas B in the total volume is 0.70 bar.

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Balanced net ionic equation for a neutralization reaction that results in the formation of sodium fluoride is Na+ + F- → NaF

A neutralization reaction is a chemical reaction that occurs when an acid and a base react to form a salt and water. This type of reaction is exothermic, meaning that it releases energy in the form of heat. During a neutralization reaction, hydrogen ions from the acid are neutralized by the hydroxide ions from the base. The byproduct of this reaction is a salt and water. The salt produced depends on the acid and base used in the reaction, and the pH of the solution is neutralized to 7.0.

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Corrosion is the process of chemical or electrochemical attack of materials by their external environment.

The tendency/resistance of different metals to corrosion largely depends on the composition of the metal. Iron and steel corrode in the presence of oxygen due to oxidation, while some metals such as chromium, nickel and molybdenum provide a protective layer of oxide film on the surface of the metal which is then resistant to corrosion. Other metals such as aluminum and zinc form sacrificial oxide layers which corrode and protect the metal from becoming completely damaged.

The student is to weigh out 94.5g of glycerol in accordance with the provided statement.

Glycerin is a kind of carbohydrate known as a polyol, along with other sugar alcohols including sorbitol and erythritol. Glycerin has a complex taste, but unlike sugar I've already discussed—it is not absorbed by the body as sugar and does not raise blood sugar levels. Glycerol may be safe for short-term treatment when taken orally. Headaches, lightheadedness, bloat, nausea, and diarrhea are possible side effects. Glycerol appears to be safe when used topically. It might result in burning, itching, and redness.

1mL = 1cm³

Quantity = 75mL = 75cm³

1.26 g/cm³ is the density.

Mass = ?

Mass is equal to the product of volume and density.

Mass = 1.26 * 75 = 94.5g

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The complete question is-

A chemistry student needs 75.0 mL of glycerol for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of glycerol is 1.26 g.cm⁻³. Calculate the mass of glycerol the student should weigh out. Be sure your answer has the correct number of significant digits.

Remove dry chemicals. Remove contaminated clothing or jewelry. Bandage the burn. Rinse again if needed.

A chemical burn is infection and destruction of human tissue because of exposure to a chemical, generally with the aid of direct contact with the chemical or its fumes. Chemical burns can occur in the domestic, at work or school, or as a result of an twist of fate or assault. although few humans in the united states of america die after contact with chemical substances in the home, many substances not unusual in both living and garage areas can do extreme damage.

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An alpha particle bombardment of aluminum with an atomic number of 27 results in the production of a neutron and phosphorus 15. The particular isotope formed is aluminum-28.

Fundamental alterations take place at the level of the atomic nucleus during nuclear reactions. Analyze the properties of the neutron, which has a mass similar to that of a proton but no electric charge. As a result, when it interacts with the aluminum core, the atomic number should remain constant but the atomic mass should rise by one unit. The newly produced atom is in an excited state when it transitions to the base state with the emission of a high-energy radiation called a gamma ray. Aluminum-28 isotope is formed.   ⁷A₂₇ + ⁰n₁ → ⁷Al₂₈ˣ

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x has the values (2.14 + √(23.288)) / 9.56 and  (2.14 - √(23.288)) / 9.56.

Quadratic equations are the degree two, one-variable polynomial equations of the form f(x) = ax^2 + bx + c = 0 with a, b, c, and R R and a 0 being the variables. In its most basic form, it is a quadratic equation where "a" denotes the leading coefficient and "c" is the absolute term of f(x). The values of x that satisfy the equation (, ) are the quadratic equation's roots.

Intricate relationships exist between square and quadrangle (another name for rectangle) difficulties and quadratic equations.

The Latin term quadratus, which means square, is where the word "quadratic" originates.

The quadratic formula or factoring can be used to get the solution to the problem 4.78x^2-2.14x-1.60=0.

x = (-b (b^2 - 4ac)) / (2a) where a = 4.78, b = -2.14, and c = -1.60 is the quadratic formula.

Plugging in the values we get:

x = (-(-2.14) ± √((-2.14)^2 - 4(4.78)(-1.60)) ) / (2(4.78))

x = (2.14 ± √(4.6016 + 18.688)) / 9.56

x = (2.14 ± √(23.288)) / 9.56

So the two values of x are:

x = (2.14 + √(23.288)) / 9.56 and x = (2.14 - √(23.288)) / 9.56

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Answer:

Answer Below

Explanation:

Answer: 8.4322×1024atoms atoms are in 1.4 moles of cadmium. Cadmium is present in some foods and is emitted when fossil fuels like as coal and oil is used, smoking cigarettes.

Answer:

The answer is 8.4308 × 10²³ atoms

Explanation:

Multiply by Avogadro's number (Nₐ)

Nₐ = 6.022 × 10²³ mol⁻¹

Now,

1.4 × 6.022 × 10²³ = 8.4308 × 10²³

Thus, 8.4308 × 10²³ atoms are in 1.4 moles of Cadmium.

Answer:

tells you by mass what percent of each element is present in a compound.

Explanation:

Considering the Charles' law and STP conditions, the volume at 100°C is 30.60 L.

Charles' law establishes the relationship between the volume and the temperature of a sample of gas at constant pressure and establishes that when the temperature is increased the volume of the gas also increases and that when cooling the volume decreases.

Mathematically, Charles's law is expressed as:

V÷T=k

where:

V is the volume.

T is the temperature.

k is a constant.

Analyzing an initial state 1 and a final state 2, it is fulfilled:

V₁÷T₁= V₂÷T₂

The STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.

In this case, you know:

Replacing in Charles' law:

22.4 L÷ 273 K= V₂÷ 373 K

Solving:

(22.4 L÷ 273 K)× 373 K= V₂

30.60 L= V₂

Finally, the final volume is 30.60 L.

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The halogens gets less reactive as we move down the group because the atomic mass will increases and the number of the electrons are increases.

The halogens get less reactive as we move top to bottom in the group in the periodic table as the atomic mass of the group 17 elements that is halogens will increases and as we move from  from top to bottom in the periodic table the electrons are added and the number of electrons are increases.

This is reason , that the reactivity of the group 17 elements that is halogens will decreases as we move from top to bottom.

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sodium azide (NaN3) is used to inflate the safety airbags in automobiles (g) This airbag should be filled with N2 at a pressure of 1.15 atm and temperature of 26.0°C. It has a volume of 36 L.

Modern automobiles use numerous technical components and subsystems, each of which performs a specific design function. Some of these have thousands of individual pieces and were made possible by new or improved technologies, such as electronic computers, high-strength polymers, and novel alloys of steel and nonferrous metals. Air pollution, safety regulations, and global manufacturer competition, among other things, have all contributed to the development of some subsystems.

With an estimated 1.4 billion in use worldwide, passenger vehicles have become the main form of family transportation. In the United States, where more than three trillion miles (almost five trillion kilometers) are traveled annually, roughly one-fourth of these are located.

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Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.

What is the primary step in glycolysis?

The method by which glucose is metabolized to produce energy is known as glycolysis. It generates water, ATP, NADH, and two pyruvate molecules. It doesn't need oxygen to happen because it happens in a cell's cytoplasm. Both in aerobic and anaerobic organisms, it happens.

How is glycolysis referred to?

Gustav Embden, Otto Meyerhof, & Jakub Karol Parnas identified the Embden-Meyerhof-Parnas (EMP) pathway, which is the most typical kind of glycolysis. The Entner-Doudoroff pathway and several heterofermentative & homofermentative pathways are examples of additional pathways that are included in the term "glycolysis."

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In anaerobic circumstances, anaerobic glycolysis converts pyruvate to lactate. Two ATP molecules are created during anaerobic respiration.

The process of converting glucose into energy is known as glycolysis. Water, ATP, NADH, and two pyruvate molecules are produced. It does not require oxygen to occur since it occurs in the cytoplasm of a cell. It occurs in both aerobic and anaerobic species.

The Embden-Meyerhof-Parnas (EMP) route, which is the most common kind of glycolysis, was discovered by Gustav Embden, Otto Meyerhof, and Jakub Karol Parnas. Additional processes included in the word "glycolysis" include the Entner-Doudoroff pathway and numerous heterofermentative and homofermentative pathways.

Here,

Anaerobic glycolysis converts pyruvate to lactate under anaerobic conditions. During anaerobic respiration, two ATP molecules are produced.

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Please put on a lab apron. It helps shield clothing from damage and stains. Examining glass for fractures and chips. This damaged or chipped glassware needs to be properly disposed of.

In order to deal with it safely, we must take the appropriate precautions. Skin burns or other skin injury can be brought on by sodium hydroxide. Additionally, it can injure eyes. Learn as much as you can about the chemicals that will be utilized, including any exposure or leak risks. Find the spill kits and learn how to use them. Verify labels and throw away any chemicals that aren't 100 percent pure. For ease of access, alphabetize the lab chemicals. Security is the practice of keeping unwelcome dangers and hazards out of the lab environment.

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EM rays, or electromagnetic radiation, is a form of energy that is emitted and absorbed by charged particles.

What are Gamma rays?

Gamma rays are a type of electromagnetic radiation, similar to visible light and x-rays, but with much higher energy. They are produced by the hottest and most energetic objects in the universe, such as neutron stars, pulsars, and black holes. Gamma rays can also be produced artificially, in particle accelerators or nuclear reactions. Gamma rays have the shortest wavelength and highest energy of any type of electromagnetic radiation.

|       Wave       | Frequency (Hz) |

|    Radio Waves   |    < 3 x 10^9 |

|     Microwaves   |     3 x 10^9  |

| Infrared Radiation |    3 x 10^12 |

|   Visible Light  |    4 x 10^14  |

|     Ultraviolet   |    7.5 x 10^14|

|     X-Rays      |    3 x 10^16  |

|   Gamma Rays     |    3 x 10^19  |

Which type of EM wave has the highest frequency?

Gamma Rays have the highest frequency with 3 x 10^19 Hz.

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Helium: The new volume of the balloon is 0.6182 L.

Colorless, odourless , tasteless, inert, non-toxic helium is a monatomic gas. It is the lightest element in the periodic table and the second most abundant element in the universe.

The new volume of the balloon can be calculated using the ideal gas law, which states that PV = nRT, where P is the n represents the number cubic moles of gas, V represents the volume, R is the real gases constant, and the temperature is T.

First, we need to calculate the number of moles of helium in the balloon after the additional 0.670 grams have been added:
n = 0.670 g He/4.003 g/mol = 0.167 mol

The total number of moles in the balloon is now 0.267 mol. We can use the ideal gas law to calculate the new volume:

V = (0.267 mol)(0.0821 L·atm/K·mol)(273 K)/1 atm = 0.6182 L

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Addition of soda (Na₂CO₃) to the vitrifying mixture produces glasses with excellent optical properties.

Silica is the common name for the compound silicon dioxide, which consists of one silicon atom and two oxygen atoms. It is an important component of many rocks, sands, and clays, and is also found in many plants and animals. Silica is used in a wide variety of products, from beer and wine to pottery, glass, and paint. It is also used in building materials such as concrete and mortar, and as a food additive. Silica is also used to make silicon-based electronics such as computer chips.

Adding lime (CaCO₃) to the vitrifying mixture creates a jar that can be used to bake or store the liquid medicine.

Addition of alumina (Al₂O₃) to a mixture undergoing vitrification produces a glass that is insoluble in water.

Addition of borax (Na₂B₄O₇) to the mixture during vitrification allows glass to be produced at much lower temperatures.

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25 grams of a substance is equivalent to 0.0088 moles. To calculate the number of moles, the following equation can be used:

Number of moles = mass (in grams) / molar mass

The molar mass is the mass of 1 mole of a substance and is expressed in grams/mol. It is equal to the sum of the atomic masses of all the atoms in a molecule.

To calculate the number of moles from 25 grams, the molar mass of the substance must be known. Once the molar mass is known, the equation can be used to calculate the number of moles.

For example, if the substance is sodium chloride (NaCl), the molar mass is 58.44 g/mol. Applying the equation above, the number of moles can be calculated as 25 g / 58.44 g/mol = 0.0088 moles.

In conclusion, 25 grams of a substance is equal to 0.0088 moles. The molar mass of the substance must be known to calculate the number of moles from a given mass.  Once the molar mass is known, the equation can be used to calculate the number of molecules.

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Titration is a quantitative analysis method for determining the concentration of a substance from a measured titrant. According to the equation, if the reactants are halved, the amount of H2O produced will be halved.

The molecular equations for sodium hydroxide, hydrochloric acid, sodium chloride, and water can be expressed as:

 HCl + NaOH ⇒ NaCl + [tex]H_{2}[/tex]O

In the given equations, the spectator ions and the ionic equation can be distinguished as follows:

H⁺ + Cl⁻ Na⁺ + OH⁻ ⇒ Na⁺ + Cl⁻ + 2H⁺ + O⁻²

The net ionic equation is:

 H⁺ + OH⁻ ⇒ [tex]H_{2}[/tex]O

From the above equation, we can see that the production of water molecules depends on the number of reactants. The reactants are,

H⁺ and OH⁻.

Therefore, when the number of reactants is halved, the resulting water molecules are halved.

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A large area of the Earth that has a similar climate is not considered a biome.

Hence, option D is correct.

Scientists disagree on the exact number of biomes that exist on earth, therefore we will focus on the six most significant ones: freshwater, marine, desert, forest, grassland, and tundra.

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Answer: It is a Covalent Bond

Explanation:

In a chlorine molecule, the atoms bonded by a covalent bond as a chlorine atom needs one electron to complete its octet and shares one electron with another chlorine atom.

Answer:

mono covalent bonds

Explanation:

Cl shares 1 electron with another Cl atom

so it makes Cl2 a mono covalent compound

Yes, if we add a lot of H₂, the value of K will start falling, which will cause the reaction to move forward. The minimum pressure of H₂ needed to reverse it is 3.598atm.

The force applied per area is referred to as pressure.

ΔG° = -RT ln(K)

34000 = 8.314(273 + 1126)ln(K)

ln(K) = 2.9231

K = [tex]e^{2.9231}[/tex] = 18.834

Since the container doesn't contain any H₂ gas, K will therefore start out at infinity. The reaction will move in the opposite direction in order to reach equilibrium. Consequently, the pressure of N₂ will initially rise.

Yes, if we add a lot of H₂, the value of K will start falling, which will cause the reaction to move forward.

The answer is therefore yes.

K = (5.97)²/0.0406(PH₂)³

K = 3.598atm.

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A compound has the empirical formula CH and is made up of carbon and hydrogen. the compound's molecular formula is C6 H6.

Compounds that involve a metal binding with a non-metal or a semi-metal will typically exhibit ionic bonding. Molecular compounds are those whose only non-metals or semi-metals contain non-metals. These compounds exhibit covalent bonding.

The compound with the lowest whole number ratio can be found in its empirical formula.

The empirical formula for weight is 12+1=13,

while the molecular formula for weight is 13 78 = 6.

The molecular formula for weight is (CH)n = (CH)6 =C6 H6.

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