A 9.02-g sample of liquid water at 40.3 °C is heated by the addition of 203.93 J of energy. The final temperature of the water is °C. The specific heat capacity of liquid water is 4.184 J/gK.

45.70 C

Explanation:

We'll use the formula for specific heat Q=mcΔT. Let's first check out units and look at the values we have.

Q=heat= 203.93 J

m=mass= 9.02g

c= specific heat= 4.184 J/g K

ΔT= Change in temperature= Final temp. - initial temp. = -

Let's plug in what we know.

203.93 J = (9.02g)(4.184)( - 40.3 C)

We'll just solve this algebraically to solve for  . It's like solving for x, just a different variable. It's easier to do the more complicated side first and then start moving your numbers to the other side.

203.93 = (37.73)( - 40.3) We'll multiply 37.73 by   AND 40.3 so we'll get...

203.93 = (37.73Tf - 1520.5)

Let's start moving numbers to the other side

203.93 + 1520.5 = 37.73Tf

1724.4 = 37.73Tf

=

45.70 C=

This makes sense with our problem since they heated water, so we should see an increase in temperature.

yes it is balanced

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