if water absorbs 0.779j and has a mass of 0.4866g, how much would its temperature go up? a) 0.383 C b) 7.458 C c) 0.137 C d) 0.233 C

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Chemistry

26 December, 00:21

if water absorbs 0.779j and has a mass of 0.4866g, how much would its temperature go up? a) 0.383 C b) 7.458 C c) 0.137 C d) 0.233 C

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Douglas Spears · Answer 1

A is the answer (0.383)

Explanation:

Formula: q=mcΔt

q=heat m=mass c=specific heat capacity Δt=change in temperature

q=0.779j m=0.4866g c=4.184j/C t=?

(waters specific heat is usually given or memorized)

0.779 = (0.4866) (4.184) (?)

0.779 / (0.4866) (4.184) = 0.3826

Δt=0.383