a chemist mixes 75.0 g of an unknown substance at 96.5C w/ 1,150 g of water at 25.0C . if the final temperature of the system is 37.1C, what is the specific heat capacity of the substance ? Use 4.184 J /g Celsisus for the specific heat capacity of water.

A368
B13.1
C0.368
D0.0112

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m0a8rtyrilMahiitschi m0a8rtyrilMahiitschi

25-11-2016
Chemistry

Answered

a chemist mixes 75.0 g of an unknown substance at 96.5C w/ 1,150 g of water at 25.0C . if the final temperature of the system is 37.1C, what is the specific heat capacity of the substance ? Use 4.184 J /g Celsisus for the specific heat capacity of water.

A368
B13.1
C0.368
D0.0112

Verified Answer :

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Anonymous Anonymous · Answer 1 · 2016-11-26T08:31:37-05:00

Remember: heat lost = heat gained

When calculating heat loss or gain, remember

mass(spec heat cap)(change in T)

The unknown loses heat- we don't know the spec heat cap, so we'll call it x.

The water gains. I've omitted the units, but always use when solving problems on your own.

75x(96.5-37.1) = 11504.184(37.1-25)

Now it's all set up- use algebra to get x, the spec heat cap of the unk in J/g*degC

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

a chemist mixes 75.0 g of an unknown substance at 96.5C w/ 1,150 g of water at 25.0C . if the final temperature of the system is 37.1C, what is the specific heat capacity of the substance ? Use 4.184 J /g Celsisus for the specific heat capacity of water. A368B13.1C0.368D0.0112

Verified Answer :

Related Questions

a chemist mixes 75.0 g of an unknown substance at 96.5C w/ 1,150 g of water at 25.0C . if the final temperature of the system is 37.1C, what is the specific heat capacity of the substance ? Use 4.184 J /g Celsisus for the specific heat capacity of water.

A368
B13.1
C0.368
D0.0112