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Rearranging the formula q = mc delta T
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Topic: Rearranging the formula q = mc delta T (Read 40908 times)
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Frederick95
Regular Member
Posts: 82
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Rearranging the formula q = mc delta T
«
on:
March 06, 2008, 03:14:59 PM »
What mass of water could be heated from 0 to 50 degrees Celcius by the addition of 8.00 kJ of heat?
I know the formula for quanitiy of heat transferred in joules(J) is q = mc deltaT
However, how would I rearrange the formula to be able to solve for mass (m)?
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ARGOS++
Sr. Member
Posts: 1489
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Re: Rearranging the formula q = mc delta T
«
Reply #1 on:
March 06, 2008, 03:36:28 PM »
Dear
Frederick95
;
Which value of your Equation are you missing? Possibly
c
=
4.1840 kJoule kg
-1
°K
-1
?
(I think “
Rearranging
” you learned in primary class 4, or 5, or so.)
Good Luck!
ARGOS
++
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Frederick95
Regular Member
Posts: 82
Mole Snacks: +0/-12
Re: Rearranging the formula q = mc delta T
«
Reply #2 on:
March 06, 2008, 03:37:54 PM »
So how is the formula rearranged to find m?
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ARGOS++
Sr. Member
Posts: 1489
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Gender:
Re: Rearranging the formula q = mc delta T
«
Reply #3 on:
March 06, 2008, 04:24:29 PM »
Dear
Frederick95
;
q = c * m * ΔT ----> q / ΔT = c * m ----> q / ΔT / c = m !!
(Looks that
soooo
complicated?)
Good Luck!
ARGOS
++
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Rearranging the formula q = mc delta T