Question

In the reaction AgNO3(aq) + HCl(aq) AgCl(s) + HNO3(aq) + heat, when 0.70 mole of AgNO3 and 0.70 mole of HCl react, the temperature of 50 g of water increases from 15°C to 30°C. If the specific heat of water is 4.18 J/g•°C, how much energy was produced in the AgNO3 reaction?

A. 3100 J
B. 42 J
C. 1050 J
D. 2100 J

Answer 1

@ganeshie8

Answer 2

@Callisto @Preetha

Answer 3

@RANE

Answer 4

@Abhisar

Answer 5

@Nurali

Answer 6

Use \(Q = mC \Delta T\). You know m (50g), C (4.18J/ gC), and you know the change in temp

Answer 7

I did that but I got 3135 which isn't an option @JFraser

Answer 8

would it be A, 3100?

Answer 9

it is, because you're only allowed 2 digits in the final answer because of the digits in the data