Answer:
A
Explanation:
the enzyme is substrate specifix coz of this trait
If you start with 10 carbon and 3 Hydrogen, what will you end with?
Answer:
The simplest Organic compounds are made up of only Carbon and Hydrogen atoms only. Compounds of Carbon and Hydrogen only are called Hydrocarbons.
Explanation:
1s22s22p63s23p3
what element does this represent
Answer:
Its phosphorus (P)
Explanation:
In writing the electron configuration for Phosphorus the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Phosphorous go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the next two electrons in the 3s. Since the 3s if now full we'll move to the 3p where we'll place the remaining three electrons. Therefore the Phosphorus electron configuration will be 1s22s22p63s23p3.
2. A body was discovered in the woods. The man has been missing for two days. The
average temperature the previous 48 hours was 50° fahrenheit. When the body was
discovered, it was at peak rigor.
The man has been missing for two days. The average temperature the previous 48 hours was 50° fahrenheit. 12-24 hours is the time. body was discovered.
Time is the ongoing progression of existence and things that happen in what seems to be an irrevocable order from the past, present, and forward into the future. It is a quantity that is a part of several measurements that are used to compare the length of events or the gaps between them.
To compare how long they last, to order events, and to measure how quickly things change in the real world or in our conscious experience. Along with the three spatial dimensions, time is frequently referred to as an a fourth dimension. A body was discovered in the woods. The man has been missing for two days. The average temperature the previous 48 hours was 50° fahrenheit. 12-24 hours, body was discovered.
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As soon as the rope breaks in picture 4, the car continues to roll forward on its own. This motion is BEST explained by which of the following laws? A. AN object in constant motion tends to remain in motion unless acted on by and unbalanced force. B. For every action there is an equal and opposite reaction/ C. An unbalanced force acting on an object will cause the object to accelerate. D. The force of gravity will cause an object to accelerate toward the earth at a constant rate.
Answer:
what is picture 4 you need to show it
potassium hydroxide → potassium oxide + water
-
how do i balance this equation?
2KOH --> K²O + H²O
Explanation:
Potassium Hydroxide = KOH
Potassium oxide = K²O
Water = H²O
KOH --> K²O + H²O
K = 1. K = 2.
2KOH --> K²O + H²O
O = 2. O = 2.
H = 2. H = 2.
Balanced symbol = 2KOH --> K²O + H²O
Balanced word = 2Potassium Hydroxide --> Potassium oxide + Water.
How is fission different than alpha or beta decay?
Fission is when the parent atom splits into two daughter products. Whereas atom with a mass number is lower by 4 and an atomic number is lower by 2.
Is nuclear fission alpha or beta?Fission outcomes emit beta radiation, while actinides mainly emit alpha radiation. Many of each also radiate gamma radiation.
The beta decays form an isobaric, fission-product decay chain for each mass number.
Thus, Fission is when the parent atom splits into two daughter products.
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I am so confused that i don't even understand how to answer it
Answer:
What's the question so I can help?
I will just edit my answer when you have asked your question and post it here.
Explanation:
• How do the physical and chemical properties of each packaging type help create new and better product?
Answer:
chemical composition and physical properties of packaging materials determine their ability to fulfill the various functions expected from the package.
What is represented in the image?
A: a space-filling model
B: a ball-and-stick model
C: a chemical formula
D: a structural formula
Answer:
A structural formula is shown, making the answer D.
Why is fusion only possible with small nuclei?
Answer:
The measurement of the mass of nuclei has revealed that the mass of the constituent protons and neutrons is more than the mass of the nucleus
Explanation:
Hope this helps ya have a nice day
100 points! Chemistry! Please help if you can with the following two questions
H_2S+O_2--->SO_2+H_2O
Balance it
2H_2S+3O_2--->2SO_2+2H_2OSo
Molar mass of oxygen=2(16)=32g/mol
Molar mass of SO_2=2(16)+32=32+32=64g/mol
Moles of oxygen:-
Given mass/Molar mass44.7/321.399molHere
3 mol of Oxygen produces 2 mol SO_21 mol of oxygen produces 2/3=0.6mol SO_2Moles of so_2
0.6(1.399)=0.84molMass of water
0.84(64)53.8gexplain how sound is produced and travel from one place to another.
Answer:
vibration of particles...........
Criteria and constraints help determine which solutions will be applied when extracting materials from pomace in which way
might a specific criterion be applied to this situation? (1 point)
The use of pomace for pharmaceuticals might be chosen if a food company does not have access to a
production plant for extracting chemicals
The use of pomace for pharmaceuticals might be chosen if minimizing production costs is desired
a
The use of pomace for animal feed might be chosen if a food company does not have access to a
production plant for extracting chemicals
The use of pomace for animal feed might be chosen if minimizing production costs is desired.
Answer:
The use of pomace for animal feed might be chosen if minimizing production costs is desired
Explanation:
i've taken the test
The use of pomace for animal feed might be chosen if minimizing production costs is desired. Therefore, the correct option is option D.
What is pomace?The solid byproduct of pressing grapes, olives, or even other fruits for juice or oil is known as pomace or marc. It includes the fruit's skins, pulp, seeds, or stems. Pomace brandy has traditionally been made from grape pomace. Currently, it is primarily used as fertilizer, animal feed, or to extract bioactive substances like polyphenols.
The Latin word "pomum" is where "pommace" comes from. The phrase "pomace" was first used by the English to describe the byproduct of making cider. Pomace wine, which had an alcohol concentration of three to four percent, was very common during the Middle Ages. The use of pomace for animal feed might be chosen if minimizing production costs is desired.
Therefore, the correct option is option D.
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7.06 equilibrium lab report
Chemical equilibrium is a dynamic equilibrium whereby the forward and backward reactions are occurring at the same rate.
What is chemical equilibrium?Chemical equilibrium refers to a situation in which the forward reactions and the backward reactions in a reversible reaction are occurring at the same same same rate.
Factors that affect equilibrium include:
temperature pressure concentrationFor a closed reaction system in equilibrium, the equilibrium position of the reaction will adjust to nullify any changes imposed on the system.
Therefore, chemical equilibrium is a dynamic equilibrium.
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What are some other type of chemical reactions? What makes them different?
Use the chart below to answer the question.
Answer correctly.
Which species are more closely related?
A) M. furo and F. catus
B) Balenopora and Mustela
C) M. furo and B physalus
D) B. physalus and F. catus
Answer:
Species M. furo and F. catus
Explanation:
When you look at their family name, both species have -lidae at the end, indicating that they are more closely related.
What is the most metallic character with low ionization energies
Answer:
Metals tend to lose electrons in chemical reactions, as indicated by their low ionization energies. Within a compound, metal atoms have relatively low attraction for electrons, as indicated by their low electronegativities.
How many moles of PbCl2 are produced
if 14 moles of AICI3 are consumed?
3Pb(NO3)2 + 2AlCl3
>
3PbCl2 + 2A1(NO3)3
Answer:21 moles of PbCl2 formed
How many grams of hydrogen will be produced from 4.0 moles of Magnesium?
Answer:
8 grams
Explanation:
trust
Calculate how many grams of oxygen form when 2.72 g of KCIOg reacts completely given the
following equation:
2 KCI03 (s)
- 2 KCI (s) + 302 (g)
1.06g
Please refer to the image attached.
You first find the number of moles (n) for KClO3 as you have been given the mass. So n = mass/Mr gives you the moles that is 0.022 mol
Next you use the ratio 2:3 as per the equation where it's 2KClO3 ---> 3O2 so you just cross multiply and get the moles for oxygen.
Now that you know the number of moles for oxygen, you can use the same moles equation that you used earlier to find the mass. mass=n×Mr and so you get the answer as 1.06g of oxygen.
A compound is 69.9% Fe and 30.1% O. What is the empirical formula?
Answer:
Fe2O3
Explanation:
get the ratio for both Fe and O using relative atomic mass and the percent as the mass
PLS HELP FAST!! 50 POINTS AND BRAINLEYIST FOR WHOEVER ANSWERS THIS FASTEST.
In one to two sentences, describe the characteristics of a high-pressure system.
In one to two sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.
ALSO, IF YOU COPY, PLEASE REWORD SENTENCES.
A high pressure system has higher pressure at its center than the areas around it
Scientists that work in Antarctica mostly refer to the majority of the continent as being a cold desert
Explanation:
If 0.380 mol of barium nitrate is allowed to react with an excess of phosphoric acid, how many moles of barium phosphate could be formed?
Ba (NO3)2+ H3PO4 → Ba3(PO4)2+ HNO3
If 0.380 mol of barium nitrate is allowed to react with an excess of phosphoric acid, 0.127 moles of barium phosphate could be formed.
How to calculate number of moles?The number of moles of a compound can be calculated stoichiometrically as follows:
Based on this question, the following chemical equation is given:
Ba (NO3)2+ H3PO4 → Ba3(PO4)2+ HNO3
The balanced equation is as follows:
3Ba(NO3)2 + 2H3PO4 → Ba3(PO4)2 + 6HNO3
3 moles of barium nitrate produces 1 mole of barium phosphate
Therefore, 0.380 moles of barium nitrate will produce 0.380/3 = 0.127moles of barium phosphate.
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how many moles of glucose do I have if I have 26 grams of glucose
Answer:
0.1443194637888042 moles
Explanation:
Hope This Helps
Have A Great Day
~Zero~
3. Calculate the mass of NH3 that can be produced from the reaction of 125 g of NCI:
according to the following equation:
NCl3 + 3 H2O → NH3 + 3 HOCI
The mass of NH₃ : = 17.629 g
Further explanation
A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.
Given
125 g NCl₃
Required
The mass of NH₃
Solution
mol NCl₃(molar mass : : 120.5 g/mol)
= 125 g : 120.5 g/mol
= 1.037
From the equation, mol ratio NCl₃ : NH₃ = 1 : 1, so mol NH₃ = 1.037
Mass NH₃(molar mass : 17 g/mol) :
= 1.037 x 17
= 17.629 g
The weak ionization constant (Ka)
for H2CO3 is equal to:
A
B
(H2CO3]
[H+] [HCO3-)
[H+][HCO3-)
[H2CO3]
Carbonic acid is a weak acid. Its weak ionization constant (Ka) is equal to:
Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]
What is a weak acid?A weak acid is an acid that dissociates partially in the water.
The equation for the acid dissociation of carbonic acid is:
H₂CO₃ ⇄ H⁺ + HCO₃⁻
The weak ionization constant (Ka) is the equilibrium constant for this reaction, that is, the product of the concentration of the products divided by the product of the concentrations of the reactants, all of them raised to their stoichiometric coefficients.
Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]
Carbonic acid is a weak acid. Its weak ionization constant (Ka) is equal to:
Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]
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How many moles of neon gas are there 25.0 L of gas or 5.0°C with a pressure of 89.9 KPa?
Now
[tex]\\ \rm\rightarrowtail PV=nRT[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{89.9(25)}{5R}[/tex]
[tex]\\ \rm\rightarrowtail n=89.9(5)/R[/tex]
[tex]\\ \rm\rightarrowtail n=449.5/R mol[/tex]
This particle, an/a ___ has a negative charge
Answer:
Explanation:
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Tuto questions in Chemistry
This particle, an/a ___ has a negative charge
The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the water…
The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the ains the same throughout the diagram. OC The graph starts at a lower energy value and ends at a higher energy value. Od The potential energy of the products is equal to the potential energy of the reactants.
Energy and Chemical Reactions: Mastery Test 4 Select the correct answer. Which factor is defined as the average kinetic energy of a substance? A. the …mass of the substance B. the volume of the substance C. the pressure of the substance D. the temperature of the substance
2 Select the correct answer. Which is a form of kinetic energy? OA gravitational energy OB. chemical energy OC. electrical energy D. sound energy
23.4 grams of Al2(SO3)3 is yielded through a chemical reaction. How many moles is this?
What is the solubility of NaNO3 at 75C (graphed)
5. Find the molecular formula for a compound with a mass of 40 amu and the empirical formula C2H4.
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I will give 500 points! What is the composition of Milk?
Answer:In general, the gross composition of cow's milk in the U.S. is 87.7% water, 4.9% lactose (carbohydrate), 3.4% fat, 3.3% protein, and 0.7% minerals (referred to as ash).
Explanation:
i got it ccorerct
Answer:
The milk of goats and sheep is similar in composition to that of cows.
Milk protein consists mainly of casein, and it exists in several classes: α, β, etc. If milk pH falls below 4.6, the casein precipitates. Although casein represents 80–85% of total milk protein, when precipitation occurs, the liquid portion is referred to as whey.
The remaining proteins are found in whey, and they include serum albumin, immunoglobulins, α-lactalbumin, etc. Milk carbohydrate is lactose, and its content is fairly consistent among breeds of milk cows at around 5.0%.
lactose is the main sugar; smaller quantities of glucose and citric acid exist. The fat content varies between ca. 3.5 and 5.0% depending upon cattle breed.
The ash content of around 0.7% consists of a relatively high level of Ca2+ and a lower level of Fe2+.
The pH of fresh whole milk is around 6.6 but it may reach ca. 6.8 from a cow that has mastitis.
Mastitis is an infection of the udder that is most often caused by Streptococcus agalactiae and S. Uberois but sometimes by Staphylococcus aureus or Streptococcus dysgalactiae.
Fresh milk of mastitis cows mainly has leucocytes (white blood cells) >106/ml as compared to nonmetastatic milk which has 70,000/ml leucocytes.
Milk contains a very adequate supply of B vitamins with pantothenic acid and riboflavin being the two most abundant. Vitamins A and D are added for human consumption, and their presence has no known effect on the activity of microorganisms.
Overall, the chemical composition of whole cow’s milk makes it an ideal growth medium for heterotrophic microorganisms, including the nutritionally fastidious Gram-positive lactic acid bacteria. However, the milk microbiota utilizes these constituents and brings about its spoilage.
Calculate the volume in mL of 0.279 M Ca(OH)2 needed to neutralize 24.5 mL of 0.390 M H3PO4 in a titration.
Note: the answer should have 3 significant digits. Do not include the unit mL in the answer.
The volume of the 0.279 M Ca(OH)₂ solution required to neutralize 24.5 mL of 0.390 M H₃PO₄ is 51.4 mL
Balanced equation2H₃PO₄ + 3Ca(OH)₂ —> Ca₃(PO₄)₂ + 6H₂O
From the balanced equation above,
The mole ratio of the acid, H₃PO₄ (nA) = 2The mole ratio of the base, Ca(OH)₂ (nB) = 3How to determine the volume of Ca(OH)₂ Molarity of acid, H₃PO₄ (Ma) = 0.390 MVolume of acid, H₃PO₄ (Va) = 24.5 mLMolarity of base, Ca(OH)₂ (Mb) = 0.279 MVolume of base, Ca(OH)₂ (Vb) =?MaVa / MbVb = nA / nB
(0.39 × 24.5) / (0.279 × Vb) = 2/3
9.555 / (0.279 × Vb) = 2/3
Cross multiply
2 × 0.279 × Vb = 9.555 × 3
0.558 × Vb = 28.665
Divide both side by 0.558
Vb = 28.665 / 0.558
Vb = 51.4 mL
Thus, the volume of the Ca(OH)₂ solution needed is 51.4 mL
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