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2 years ago

Which solid object has the highest specific heat? -aluminum -silver -wood -ice

2 answers:

6 0

The aluminum's temperature changed less than the copper's did under the same conditions. Thus, the aluminum must require more energy to change its temperature. Therefore, aluminum has the higher specific heat.

jolli1 [7]2 years ago

5 0

Answer:

Aluminum

Explanation:

Because aluminum temperature changed less than the copper's did under the same condition. This, the aluminum must require more energy to change its temperature

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3 years ago

if the percent by volume is 2% and the volume of solution is 250 mL what is the volume of solute and solution

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Answer:

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Explanation:

The formula for percent by volume is

$\text{Percent by volume} = \dfrac{\text{Volume of solute}}{\text{Volume of solution}}\times 100 \, \%$

If you have 250 mL of a solution that is 2 % v/v,

$\begin{array}{rcl}2 \, \% & = & \dfrac{\text{Volume of solute}}{\text{250 mL}}\times 100 \, \%\\\\2 \times \text{ 250 mL} & = & \text{Volume of solute} \times 100\\\text{Volume of solute} & = & \dfrac{2 \times 250\text{ mL}}{100}\\\\ & = & \textbf{5 mL}\\\end{array}$

If there is no change of volume on mixing,

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