You decide to make a copper bracelet for your friend. In order to do this you need to heat 29.2g of copper from 25 C to 275 C. Calculate the amount of heat te quieted feo this reaction to proceed.

Amount of heat required = 2810.5 J

Explanation:

Given data:

Mass of copper = 29.2 g

Initial temperature = 25°C

Final temperature = 275°C

Amount of heat required = ?

Solution:

Specific heat capacity of copper is 0.385 j/g.°C.

Formula:

Q = m×c×ΔT

ΔT = 275°C - 25°C

ΔT = 250°C

Q = 29.2 g × 0.385 j/g.°C ×250°C

Q = 2810.5 J

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023 

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