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dusya [7]
2 years ago
12

At 0 °C, some amount of energy is required to change 1 kg of water from a solid into a liquid. If you had a 2 kg piece of ice, w

hat effect would this have on the amount of thermal energy required to change the water from a solid to a liquid? O It would require more energy to change solid water into liquid water because there are more molecules in this larger piece of ice. It would still require the same amount of energy to change solid water into liquid water because the entire piece of ice would still gain the same amount of energy in each case.​
Chemistry
1 answer:
kolbaska11 [484]2 years ago
5 0

Answer:

Explanation:

A bigger ice block is made up of more particles

( sorry if this doesnt help it really didnt make sence to me!)

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When two compounds have same molecular formula but different structural formula, they are said to be isomers of each other and this phenomenon is called as isomerism. 

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The isomers of hexane have a difference in their structure due to parent chain length (chain isomerism). They are also differentiated on the basis of straight chain as in n-hexane and branched chain as in remaining five. Structures along with names are shown below.

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Answer:

m_{Mg}=30.8mgMg

Explanation:

Hello,

Based on the given chemical reaction, as 31.2 mL of hydrogen are yielded, one computes its moles via the ideal gas equation under the stated conditions as shown below:

n_{H_2}=\frac{PV}{RT}=\frac{754torr*\frac{1atm}{760torr}*0.0312L}{0.082 \frac{atm*L}{mol*K}*298.15K}=1.27x10^{-3}molH_2

Now, since the relationship between hydrogen and magnesium is 1 to 1, one computes its milligrams by following the shown below proportional factor development:

m_{Mg}=1.27x10^{-3}molH_2*\frac{1molMg}{1molH_2}*\frac{24.305gMg}{1molMg}*\frac{1000mgMg}{1gMg}\\m_{Mg}=30.8mgMg

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