subject
Chemistry, 12.05.2021 01:00 alexismurcia550

A sample of cold water was mixed with a sample of hot water inside a calorimeter, and the final temperature of the cold water was 40 °C. Which statement is true about the hot water in the calorimeter?
It absorbed 40 joules.
It absorbed 80 joules.
its final temperature was 80 °C.
Its final temperature was 40 °C

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 13:00
When the pressure that a gas exerts
Answers: 2
question
Chemistry, 22.06.2019 20:30
We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 2
question
Chemistry, 22.06.2019 21:30
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
question
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
You know the right answer?
A sample of cold water was mixed with a sample of hot water inside a calorimeter, and the final temp...
Questions
question
Mathematics, 05.05.2020 20:33
question
Mathematics, 05.05.2020 20:33