The calorimeter contains 330 g of water at 31°C. A sample of the substance with a mass of 115 grams is placed into the calorimeter. Once the substance has completely dissolved, the temperature of the water inside the calorimeter is 27.4°C. Recall that the specific heat of water is 4.18 J/g-°C. What is the enthalpy of fusion (Hf) of this sample in joules per gram?
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
You know the right answer?
The calorimeter contains 330 g of water at 31°C. A sample of the substance with a mass of 115 grams...
Questions
Mathematics, 21.09.2021 03:40
Chemistry, 21.09.2021 03:50
Mathematics, 21.09.2021 03:50
Physics, 21.09.2021 03:50
Mathematics, 21.09.2021 03:50
History, 21.09.2021 03:50
Computers and Technology, 21.09.2021 03:50
Mathematics, 21.09.2021 03:50
Chemistry, 21.09.2021 03:50
