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olya-2409 [2.1K]
3 years ago
10

Three separate 3.5g blocks of al, cu, and fe at 25°c each absorb 0.505 kj of heat. which block reaches the highest temperature?

the specific heats of al, cu, and fe are 0.900 j/g·°c, 0.385j/g·°c, and 0.444 j/g·°c, respectively.
Chemistry
1 answer:
77julia77 [94]3 years ago
8 0

The energy can be shown as:

Q = ms dT

Whereas, m is the mass of block

s is specific heat

dT is change in temperature.

Copper block having the lowest specific heat and thus having the higher change in temperature and therefore having the higher final temperature.

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Pressure, P = 67.57 atm

Explanation:

<u>Given the following data;</u>

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To find the pressure of the gas, we would use the ideal gas law;

PV = nRT

Where;

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Making P the subject of formula, we have;

P = \frac {nRT}{V}

Substituting into the formula, we have;

P = \frac {0.467*0.08206*432}{0.245}

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