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navik [9.2K]
4 years ago
8

Why does a group of warmer atoms take up more volume than a group of cooler atoms?

Chemistry
1 answer:
CaHeK987 [17]4 years ago
4 0
Warmer atoms expand. There is also more movement. This is also explained when putting it into terms with solid vs. gas. In a solid, the atoms vibrate, but they can't move very far because there is not a lot of space between them. In a gas, on the other hand, the atoms are spread apart, and they move very fast. Putting it into context with water, the steam (gas) version is hot, and the ice cube (solid) version is cold. Which one moves more freely? The gas.
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Which of these elements in GroupA on the periodic table has the largest atomic radius?
Allushta [10]

Answer:

A i think is the answer

6 0
3 years ago
What are the functions of gasoline, kerosene, diesel, acetone and ethyl alcohol?
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Function of kerosene is: use for jet engines, domestic heaters, and lamps and as a cleaning substance.
 
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4 years ago
Which of the following statements regarding physical and chemical changes is true?
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8 0
3 years ago
if 10 ml of acetone (60) is diluted with water to a total solution volume of 200 ml, what is the percent by volume of acetone in
sergey [27]

Answer:

5%

Explanation:

Given parameters:

Volume of original acetone before dilution = 10ml

Volume of diluted solution = 200ml

Unknown:

Percent volume of acetone in the solution = ?

Solution:

To find the percent volume of acetone in the diluted solution, use the expression below;

 Percent volume of acetone = \frac{volume of original acetone}{diluted volume}  x 100

Insert the parameters and solve;

 Percent volume of acetone  = \frac{10}{200}  x 100 = 5%

6 0
3 years ago
PLEAAAASE HELP CHEM
alukav5142 [94]

Answer:

5. +5

6. +7

Explanation:

The oxidation state can be obtained as follow:

5. Oxidation state of oxygen, O = –2

Oxidation state of phosphorus, P =?

P3O10 = –5

3P + 10O = –5

3P + (10 x –2) = –5

3P – 20 = –5

Collect like terms

3P = –5 + 20

3P = 15

Divide both side by 3

P = 15/3

P = +5

Therefore, the oxidation state of P in P3O10^5- is +5

6. Oxidation state of oxygen, O = –2

Oxidation state of manganese, Mn =.?

Mn2O7 = 0

2Mn + 7O = 0

2Mn + (7 x –2) = 0

2Mn – 14 = 0

Collect like terms

2Mn = 14

Divide both side by 2

Mn = 14/2

Mn = +7

Therefore, the oxidation state of Mn in Mn2O7 is +7

4 0
3 years ago
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