Calculate the energy required to heat 233.0 g of water from 49.4 °C to 65.2 °C. Assume the specific heat capacity of water under these conditions is 4.18 J-g -1 -1 ·K . Round your answer to 3 significant digits.

A chemist carefully measures the amount of heat needed to raise the temperature of a  1.10kg  sample of a pure substance from  −6.3°C  to  10.7°C . The experiment shows that  8.40kJ  of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.

Calculate the energy required to heat 403.0 mg of water from 36.8 °C to 57.0 °C. Assume the specific heat capacity of water under these conditions is 4.18 J-g .K . Be sure your answer has the correct number of significant digits. 0 0x10 ロ・ロ X μ 00 4 S

Calculate the energy required to heat 141.0mg of mercury from −1.1°C to 17.8°C . Assume the specific heat capacity of mercury under these conditions is 0.139J·g−1K−1 . Be sure your answer has the correct number of significant digits.

Calculate the energy required to heat 1.30 kg of iron from 2.3 °C to 11.7 °C. Assume the specific heat capacity of iron under these conditions is 0.449 J∙g¯¹·K¯¹. Be sure your answer has the correct number of significant digits. 1 1 0 x10 ロ・ロ X н 00 JU:::| 00

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.40 kg of water at 25.0 °C. During the reaction 97.5 kJ of heat flows out of the flask and into the bath. - 1 Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is 4.18 J.g ·K'. Round your answer to 3 significant digits. x10 ?

A chemist carefully measures the amount of heat needed to raise the temperature of a 149.0 mg sample of a pure substance from 13.7 °C to 31.8 °C. The experiment shows that 4.99 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. -1 Jg¹.K -1 0 X S

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9.50kg of water at 38.9°C. During the reaction 83.3kJ of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is 4.18J·g−1·K−1. Be sure your answer has the correct number of significant digits.

Calculate the energy required to heat 798.0mg of ammonia from 34.3°C to 53.6°C . Assume the specific heat capacity of ammonia under these conditions is 4.70J·g−1K−1 . Be sure your answer has the correct number of significant digits.

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains  9.80kg  of water at  34.0°C . During the reaction  139.kJ  of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is  4.18·J·g−1K−1 . Be sure your answer has the correct number of significant digits. °C