Chemistry, 16.03.2020 22:58 uc22912

A sample of an ionic compound is dissolved in water and the water gets colder. What acts as the system? What acts as the surroundings? Does heat flow from the system to the surroundings or from the surroundings to the system? Is dissolving this salt endothermic or exothermic?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 23:00, fespinoza019

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Answers: 1

continue

Chemistry, 22.06.2019 04:30, salvadorperez26

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Answers: 2

continue

Chemistry, 22.06.2019 12:30, azzyla2003

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Answers: 1

continue

Chemistry, 22.06.2019 14:30, hjlhdjfhjh

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Answers: 1

continue

You know the right answer?

A sample of an ionic compound is dissolved in water and the water gets colder. What acts as the syst...