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jeka57 [31]
2 years ago
12

Please answer ASAP!!!

Chemistry
1 answer:
blsea [12.9K]2 years ago
4 0

Answer:

Explanation:

To solve this problem first of all we will understand the specific heat capacity.

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

The substances with higher value of specific heat capacity require more heat to raise the temperature by one degree as compared the substances having low value of specific heat capacity.For example,

The specific heat capacity of gold is 0.031 cal/g.°C and for mercury is 0.033 cal/g.°C. So, mercury take a time to increase its temperature by one degree by absorbing more heat while gold will heat up faster by absorbing less amount of heat.

1)  The mercury will change temperature at a much faster rate under the same heating conditions.

This statement is false because specific heat capacity of gold is less than mercury so gold will change the temperature faster.

2) The two metal samples will change temperature at about the same rate.

There is small difference in specific heat of both metals so gold will change the temperature little faster than mercury.

3)  The gold would float if placed in the mercury.

The density of gold is greater than mercury so it will sink into mercury.

4) The gold would sink to the bottom if placed in the mercury.

Yes thus statement is true.

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alexandr1967 [171]
  1. Get 3 cups of water at the exact same temperature, using the thermometer to check.
  2. Label the cups as ‘whole’, ‘pieces’, and ‘crushed’
  3. Next, get something to dissolve, in this case, polident. Take one of the polident tablets and break it into 4 pieces, and set it aside.
  4. Take another polident tablet and this time put it into a different cup, and crush it. Set it aside.
  5. Keep the last tablet whole.
  6. Set up your stopwatch and drop the polident tablet that is whole in the cup labeled ‘whole’, starting the stopwatch at the same time.
  7. Watch the cup and see when the tablet is fully dissolved, then stop the stopwatch.
  8. Record the time in the table.
  9. Repeat steps 6-8 for both the ‘pieces’ and ‘crushed’ tablets.

Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!

Stay Brainy!

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There are two naturally occurring isotopes of indium: indium-113 and indium-115. How many neutrons are in a single atom of indiu
KonstantinChe [14]
There are 66 neutrons in a single atom of indium-115. The atomic number of indium-115 is 49, meaning there are 49 protons. Then the atomic mass is 115, so 115-49 = 66. 
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What volume would 312g of alcohol occupy
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Answer:

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Explanation:

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When we have stomach disorders, we take antacids to solve the problem? how does it help? support your answer with an equation.
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Answer:

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Explanation:

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