October 13, 2015

Homework Help: Chemistry (heat flow, simple)

Posted by Abdullah on Friday, March 12, 2010 at 8:00am.

Well I know to calculate heat flow you use, q=ms delta t.

for this experiment we mixed naoh with hcl into water.

the total mass (volume) of the mixture was 100g

the temperature change for naoh was 11.7 degrees C and for hcl it was 11.8 degrees C

now im looking to calculate heat flow

so so far i've got

q= (100.0g h20)(4.18 j/g degrees C) ( ??????) do I put the hcl or the naoh, or the average of both temperatures combined..... or am i supposed to calculate twice, once for the hcl and once for the naoh?


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