By applying the Boyle's equation and substituting our given data the volume of the container was found to be 418.14 Litres
Boyle's LawGiven Data
number of moles of Ne = 5.1169 mol Pressure = 0.9148 atmTemperature = 911 KWe know that the relationship between pressure and temperature is given as
PV = nRT
R = 0.08206
Making the volume subject of formula we have
V= nRT/P
Substituting our given data to find the volume we have
V = 5.1169*0.08206*911/0.9148
V = 382.522353554/0.9148
V = 418.14 L
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Which statement describes a difference between transcription in eukaryotic and prokaryotic cells?
In eukaryotes, transcription occurs simultaneously with translation, while transcription in prokaryotes must complete before translation can begin..
In eukaryotes, transcription produces a monocistronic RNA, while transcription in prokaryotes produces a polycistronic RNA.
In eukaryotes, transcription produces an RNA molecule, while transcription in prokaryotes produces a DNA molecule.
In eukaryotes, transcription produces an DNA molecule, while transcription in prokaryotes produces a RNA molecule.
In eukaryotes, transcription is completed by an RNA polymerase, while transcription in prokaryotes is completed with a DNA polymerase.
Answer:
Which statement describes a difference between transcription in eukaryotic and prokaryotic cells?
In eukaryotes, transcription occurs simultaneously with translation, while transcription in prokaryotes must complete before translation can begin..
In eukaryotes, transcription produces a monocistronic RNA, while transcription in prokaryotes produces a polycistronic RNA.
In eukaryotes, transcription produces an RNA molecule, while transcription in prokaryotes produces a DNA molecule.
In eukaryotes, transcription produces an DNA molecule, while transcription in prokaryotes produces a RNA molecule.
In eukaryotes, transcription is completed by an RNA polymerase, while transcription in prokaryotes is completed with a DNA polymerase.
Does anyone know this answer ?
Answer:
sorry I can't able to help you
Explanation:
[tex]hii[/tex]
have a nice day ✌️✌️
17. True or False: Proximal means farther away from the point of attachment of the limb. *
(1 Point)
True
False
Solid zinc and aqueous lead (II) nitrate react to from aqueous zinc (II) nitrate and solid lead.
Zn(s) + Pb(NO₃)₂ (aq) → Zn(NO₃)₃ (aq) + Pb (s)
Further explanationThere are two types of chemical reactions that may occur.
single-replacement reactions and double-replacement reactions.
A single replacement reaction is a chemical reaction in which one element replaces the other elements of a compound to produce new elements and compounds
A + BC ⇒ AC + B
Not all of these reactions can occur. We can use the activity series, which is a list of elements that can replace other elements below / to the right of them in a single replacement reaction.
This series is better known as the Volta series, where the metal element with a more negative electrode potential is on the left, while the element with a more positive electrode potential on the right.
The more left the position of a metal in the series, the more reactive metal (easy to release electrons)
Generally, the Volta series used is
Li K Ba Sr Ca Na Mg Al Mn Zn Cr Fe Cd Co Ni Sn Pb H Sb Bi Cu Hg Ag Pt Au
Solid zinc and aqueous lead (II) nitrate react to from aqueous zinc (II) nitrate and solid lead.
Can be expressed in chemical equations :
Zinc + aqueous lead (II) nitrate ⇒aqueous zinc nitrate + lead metal
Zn(s) + Pb(NO₃)₂ (aq) → Zn(NO₃)₃ (aq) + Pb (s)
Reactants : Zn and Pb(NO₃)₂
Products : Zn(NO₃)₃ and Pb
The existing Zinc element can replace the Lead element, which is on the right side of Zn, so the reaction will occur.
What would happen if sodium and potassium are placed in hot water?
a mass of 0.15 ounces is equal to how many grams if 1 oz = 28.35 grams?
Answer:4 1/2 grams.
Explanation: 0.15 is equal to 4 1/2 grams because if you convert ounces into grams 0.15 is equal to 28.35. hope this helped bro.
The chemical equation below shows the reaction between carbon dioxide (CO2) and lithium hydroxide (LiOH). CO2 2LiOH Right arrow. Li2CO3 H2O The molar mass CO2 is 44. 01 g/mol. How many moles of LiOH are needed to react completely with 25. 5 g of CO2? 0. 290 moles 0. 579 moles 1. 16 moles 1. 73 moles.
Answer:
C
Explanation:
The reaction between carbon dioxide and lithium hydroxide can be represented by the equation:
[tex]\displaystyle \text{CO$_2$} + 2\text{LiOH} \longrightarrow \text{Li$_2$CO$_3$}+ \text{H$_2$O}[/tex]
We want to determine the amount of moles of LiOH needed to react completely with 25.5 g of CO₂.
Determine the number of moles of CO₂ in 25.5 g of CO₂:
[tex]\displaystyle 25.5\text{ g CO$_2$} \cdot \frac{1\text{ mol CO$_2$}}{44.01\text{ g CO$_2$}} = 0.579\text{ mol CO$_2$}[/tex]
Use stoichiometry to determine the amount of LiOH necessary. CO₂ and LiOH are in a 1:2 ratio. That is, for every one mole of CO₂ that reacts, two moles of LiOH must also react.
[tex]\displaystyle 0.579\text{ mol CO$_2$} \cdot \frac{2\text{ mol LiOH}}{1\text{ mol CO$_2$}} = 1.16\text{ mol LiOH}[/tex]
In conclusion, our answer is C.
Please help me with this chemistry work !!!!!
Answer:
1. Mn
2. Se
3. Al
4. Na
5. Ca
6. IE
7. Mg
8. Sb
9. Sn
10. H
Explanation:
Several models of atoms are mentioned in this lesson. Plum pudding, planetary and quantum mechanical. Which reason below explains why there are different atom models?
Because atoms have changed their structure over time
Because there are different types of atoms
Because the ideas about the models changed as more discoveries were made about the atom
Because many people came up with models at the same time
Answer:
Because the ideas about the models changed as more discoveries were made about the atom
Explanation:
I know because i took this test and made a 100% on it
hope I was helpful :)
What does speed means
Answer:
Speed is a form of energy or momentum that represents a person's move rate.
[tex]Example:[/tex]
The snail is moving m Miles per hour.I am driving at 50 Mph.I took miles per hour and used it as an example[tex].[/tex]
Hope this helps!
(25 POINTS) How does sediment size around a river affect erosion?
Answer: It can affect the shape of sediment because it is scraping very slowly against it causing it to change,
Explanation:
I’m marking BRAINLIEST for whoever answers first. and this is science.
Answer:
The right answer is electrons :)
Answer:
Magnetism is caused by the motion of:
Option 3, electrons.
Explanation:
Because every substance is made up of these tiny units called atoms. And each atom has electrons, particles that carry electric charges.
Hope this helps you out!
What happens to temperature as a substance melts and heat energy is used to break the connections between molecules, until all melting is complete?.
What happens to temperature as a substance melts and heat energy is used to break the connections between molecules, until all melting is complete?.
Answer : Stays the same
What chemical equations must be balanced to satisfy ?
Answer:
the law of conservation of matter
Explanation:
that states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.
Which statement is true about the exothermic reaction?
A.) The enthalpy of the products is greater than that of the reactants.
B.) The enthalpies of the reactants and the products are equal.
C.) The enthalpy of the reactants is greater than that of the products.
Answer:
C
Explanation:
The enthalpy of the reactants is greater than that of the products.
The statement is true about the exothermic reaction is the enthalpy of the reactants is greater than that of the products. Therefore, option C is correct.
What is an exothermic reaction ?A chemical reaction involves the movement of energy to or from the environment. An exothermic reaction occurs when energy is transmitted to the environment, raising the ambient temperature. Combustion reactions are an example of an exothermic reaction.
Chemical processes known as exothermic reactions generate heat. Therefore, the H of reaction is negative for exothermic processes. Heat is released during an exothermic reaction, raising the temperature of the immediate environment. The environment is cooled through an endothermic process that absorbs heat.
Heat is released during an exothermic reaction, raising the temperature of the immediate environment. The environment is cooled through an endothermic process that absorbs heat.
Thus, option C is correct.
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a particular radio station broadcasts radio waves at 100 MHz (100 million Hz). if radio waves travel at the speed of light (300 million m/s), then what is the wavelength of the radio waves that the station broadcasts.
Wavelength = (speed) / (frequency)
= (3 x 10⁸ m/s) / (1 x 10⁸ /s) = 3 meters
What is the main difference between Lewis structure and Bohr models?
The main difference between both models is that the Bohr model depicts all subatomic particles, but the Lewis dot diagram only depicts the symbol and valence electrons.
What is Lewis structure?Lewis Structure is a simplified representation of a molecule's valence shell electrons. It's used to depict how electrons in a molecule are distributed around specific atoms.
Electrons are shown as "dots" or as a line between two atoms when they are bonded in Lewis structure.The Bohr Model is a planetary model in which negatively charged electrons orbit a tiny, positively charged nucleus in the same way that planets orbit the sun.Hence the Bohr model depicts all subatomic particles, but the Lewis dot diagram only depicts the symbol and valence electrons.
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Which of the following could make a decomposition reaction occur?
heat or light
time
nothing needed for most to proceed
Heat or light could make a decomposition reaction occur. Therefore, option (A) is correct.
What are decomposition reactions?
The decomposition reactions can be described as in which one reactant breaks into one or more products during the reaction.
The decomposition reaction can be represented as the following equation:
AB → A + B
Where AB is the parent molecule that acts as a reactant and gives A and B as products.
A decomposition reaction can be possibly an exothermic reaction or endothermic reaction. Thermal decomposition reactions are those in which the energy is supplied to reactant molecules for the decomposition.
For example, the decomposition of calcium carbonate is a thermal decomposition reaction. In the products, carbon dioxide gas and calcium oxide are produced. The decomposition of ozone gas occurs in the presence of light.
Therefore, heat or light can make the decomposition reaction take place.
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is thermal decomposition a redox reaction?
Answer:
yes.
Explanation:
the definition of a redox reaction is a chemical reaction in which electrons are transferred between two reactants participating in it, meaning, thermal decomposition is a chemical reaction where a substance is being broken down hence, electrons being transfered.
What is a single celled organism able to do?
differentiate
grow to large sizes
make tissues
survive on its own
Answer:
he or she is right
make tissues is the answer
Explanation:
hope this helps :)
What's the correct IUPAC name of the structure shown?
A. Methylhexene
B. 4-methylhex-1-ene
C. Hex-1-ene
D. 3-methylhex-5-ene
Answer:
B. 4-methylhex-1-ene
Explanation:
There are 6 carbons for the main molecule of 1-hexene. They are counted from the first (1) on the terminal C with the double bond (ene). A methyl group is hanging on carbon number 4, so it is the 4-methyl.
4-methylhex-1-ene.
1.
Which weather pattern can drop torrential amounts of rain, create storm surges, and destroy structures with high winds?
drought
tornado
hurricane
thunderstorm
2.
What is the main energy source for a hurricane?
winds blowing from high pressure to low pressure
warm air masses
cool ocean water
warm ocean water
3.
What makes the weather inside the eye of the storm calm and clear?
high pressure air
low pressure air
clockwise rotation
counterclockwise rotation
I will mark brainliest.
*These three questions are strictly for study.
1) Hurricane
A hurricane can cause destruction at a high scale2) winds blowing from high pressure to low pressure
when the clouds take up the hot vapours , making the atmosphere warm ,the pressure increases resulting in formation of wind and when these winds wind up to make a huge pattern which we call hurricane3) Clock wise rotation
The clockwise rotation moving a same direction helps to make the eye visible to ushello people ~
Petrochemicals are
A. mixtures of petrol and chemical fertilizer.
B. materials obtained from petroleum refining.
C. mixtures of coal and petrol.
D. mixtures of wood and chemicals
Materials obtained from petroleum refining
Answer:
Petrochemicals are mixtures of petroleum and natural gasThey ae mined undergroundExamples are Petrol,diesel ,etc
How is the burning candle similar to a living organism?
Answer:
it responds to fire because the fire is something called the stimulus which forces the wax on the candle to melt.
can you balance 12 blocks on the 3x2 platform
How is temperature related to the physical change of a
substance?
Answer:
Physical conditions like temperature and pressure affect state of matter. ... When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation)
Answer:
Temperature is a measure of the kinetic energy of particles in a substance. As temperature increases, the atoms or molecules in a substance gain energy. As temperature decreases, the particles lose energy. A change in the energy of particles causes a change in their arrangement. A change in the arrangement of particles can lead to a physical change.
Explanation:
on edge 2021
Fe + Cl2 → FeCl3, what coefficients would balance the equation?
3,2,2
1,1,1
2,3,2
4,2,2
The coefficients that will balance the equation will be 2,3,2.
Balancing chemical equationFor a balanced equation, the number of atoms of each element on the reactant side must be equal to those of the product side.
Thus, the balanced equation of the reaction will be:
2Fe + 3Cl2 → 2FeCl3
Consequently, the coefficients of the balanced equation are 2,3,2.
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An isotope has a half-life of 2 days. How much will be left after 6 days?
O 1/6
O 1/2
O 1/8
O 1/4
compressed springs and stretch rubber bands store ______ energy
Answer:
elastic potential energy
Explanation:
Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing.
(Will give brainlest if right)Which substance can be broken down chemically ? A) Ammonia B)aluminium C)Argon
Answer:
i believe its b but i could be wrong