Asked by Tina
1. How much energy is required to be removed to lower the temperature of a bottle of drinking water (280mL) from 22°C to 4°C? The density of water is 1.0g/mL
here are the equations we can use:
(-m1)(C1)(ΔT1)=(m2)(C2)(ΔT2)
Q=mcΔT
Q=mL
There might be others I am forgetting...sorry
My teacher calls this a mixing problem because we have two substances. I just don't understand what equations to use (I am guessing this is a two or more step problem) and then where I put all the variables. Please indicate which equation you use and why you used it. Thanks!
here are the equations we can use:
(-m1)(C1)(ΔT1)=(m2)(C2)(ΔT2)
Q=mcΔT
Q=mL
There might be others I am forgetting...sorry
My teacher calls this a mixing problem because we have two substances. I just don't understand what equations to use (I am guessing this is a two or more step problem) and then where I put all the variables. Please indicate which equation you use and why you used it. Thanks!
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