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NemiM [27]
3 years ago
14

Explain how thermal energy added to a sample of matter affects the motion of the particles?

Chemistry
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

When heat is added to a substance the molecules and atoms vibrate faster. As atoms vibrate faster the space between atoms increases. The motion spacing of the particles determines the state of matter of the substance. The end result of increased molecule emotion is that the object expands and takes up more space.

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What is ionization energy?
DIA [1.3K]

Answer: im pretty sure it's electrical.

6 0
3 years ago
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According to the following balanced reaction, how many moles of HNO3 are formed from 8.44 moles of NO2 if there is plenty of wat
kotegsom [21]

Answer:

5.63 mol.

Explanation:

  • The balanced chemical equation between NO₂ and H₂O is:

<em>3NO₂(s) + H₂O(l) → 2HNO₃(aq) + NO(g), </em>

It is clear that 3 mol of NO₂ reacts with 1 mol of H₂O to produce 2 mol of HNO₃ and 1 mol of NO.

<em>Water is present as an excess reactant and NO₂ is limiting reactant.</em>

<em></em>

  • To find the no. of moles of HNO₃ produced:

3 mol of NO₂ produces → 2 mol of HNO₃, from stichiometry.

8.44 mol of NO₂ produces → ??? mol of HNO₃.

∴ The no. of moles of HNO₃ are formed = (8.44 mol)(2 mol)/(3 mol) = 5.63 mol.

3 0
4 years ago
At a certain temperature, 3.67 mol SO 2 and 1.83 mol O 2 are placed in a container. 2 SO 2 ( g ) + O 2 ( g ) − ⇀ ↽ − 2 SO 3 ( g
Ira Lisetskai [31]

Answer : The number of moles of SO_2 and O_2 at equilibrium is, 1.75 mol and 0.87 mol respectively.

Explanation :

The given chemical reaction is:

                       2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)

Initial mol.       3.67         1.83          0

At eqm.        (3.67-2x)   (1.83-x)       2x

As we are given:

Number of moles of SO_3 at equilibrium = 1.92

That means,

2x = 1.92

x = 0.96 mol

Number of moles of SO_2 at equilibrium = (3.67-2x) = [3.67-2(0.96)] = 1.75 mol

Number of moles of O_2 at equilibrium = (1.83-x) = (1.83-0.96) = 0.87 mol

Thus, the number of moles of SO_2 and O_2 at equilibrium is, 1.75 mol and 0.87 mol respectively.

8 0
3 years ago
The following words can be used interchangeably for particles EXCEPT
natka813 [3]

Words that can be used interchangeably for particles are mite, iota, grain, speck, etc.

<h3>What are particles?</h3>

Particles are tiny amount of substances which all together make up the whole substance.

Matter is made up of particles according to the particulate nature of matter.

The particles that make up matter include:

  • atoms
  • molecules
  • ions
  • electrons
  • protons
  • neutrons

Words that can be used interchangeably for particles are mite, whit, iota, grain, tittle, speck, etc.

Learn more about particles at: brainly.com/question/459743?source=archive

5 0
3 years ago
Alcohol can damage your liver, esophagus, stomach pancreas and heart.<br> a. TRUE<br> b. FALSE
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True this is so true alcohaul impacts and harms your body but not only physically also mentally.
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4 years ago
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