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RUDIKE [14]
3 years ago
11

According to KMT, at constant pressure and temperature, the frequency and force of molecule-wall collisions are constant. So inc

reasing the number of gaseous molecules will require a proportional increase in the container volume in order to yield a decrease in the number of collisions per unit area to make up for the increased frequency of collisions. What gas law is KMT explaining?
Chemistry
1 answer:
Norma-Jean [14]3 years ago
3 0

Answer:

Boyle´s Law

Explanation:

If we increase the volume of a gas, its pressure will decrease that is why in this question the pressure was decreased to  yield the decrease in the number of collisions.

This is Boyle´s law which states that the pressure of a gas is inversely proportional to the volume of its container.

It is expressed mathematically  as P₁V₁ = P₂V₂

where the subscripts refer to intial and final conditions.

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Name the person who developed a table of elements which revealed
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Dimitry Mendeleef

Explanation:

Dimitry Mendeleef developed a table of elements which revealed regularities in elemental properties. He discovered the periodic arrangement of elements in 1869 while playing his game of solitaire.

  • John Newlands in in 1863 proposed the idea of a repeating octaves of properties of elements.
  • Dimitry Mendeleef described the periodic table or chart in 1869
  • The chart was based on the periodic law which states that "chemical properties of elements are a periodic function of their atomic weights".
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Learn more:

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3 years ago
How does a limiting reagent affect how much product is formed?
Anna35 [415]

Answer: C

Explanation:

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What is a physical property of toothpaste
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The color, shape, volume, mass, etc.
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Indicate the oxidation number of oxygen for each compound in the following reaction: 2H2O2(aq)→ 2H2O(l) O2(g) Select the choice
Aleksandr [31]

Answer:

2H2O2(aq)→ 2H2O(l) O2(g) : The oxidation number of oxygen for each compound is -1, -2, 0

Explanation:

In peroxides the oxidation state of oxygen is -1, since one oxygen bonds to the other oxygen and a hydrogen and the bound oxygen captures the electron of the remaining hydrogen. Through a scheme would be

H --- O --- O --- H

We remember that oxygen needs two electrons to get to have the configuration of the nearest noble gas (Lewis octet rule). In Peroxides, the oxygen is linked by covalent bonds. If we take it strictly, peroxide is a grouping of two oxygen, having the whole valence -2. which is why it is usually said that it is when oxygen has a valence -1

As we said the oxidation state is -2, the one that appears in the water molecule, since Hydrogen acts with valence +1 and it is 2 atoms that give up electrons to compensate for oxygen.

In the O2 it acts with valence 0 since we talk about gas in its elementary state. All diatomic molecules in their elemental state, generally gases or metals in solid state, act with a valence of 0.

3 0
3 years ago
If a reaction releases 675,000 Joules, how many kcal does it release?
Mamont248 [21]

Answer: If a reaction releases 675,000 Joules then it means it releases 161.328872 kcal.

Explanation:

According to the standard conversion,

1 Joule = 0.000239006 kcal

Therefore, 675,000 Joules will be converted into kcal as follows.

1 Joule = 0.000239006 kcal\\675,000 J = 675000 J \times \frac{0.000239006 kcal}{1 J}\\= 161.328872 kcal

Thus, we can conclude that if a reaction releases 675,000 Joules then it means it releases 161.328872 kcal.

5 0
4 years ago
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