subject
Chemistry, 07.11.2019 20:31 mitchellk872

Which statement is true? a. the enthalpy for the formation for two moles of a substance is half of the enthalpy for the formation of one mole of the substance. b. the enthalpy of a reaction is the heat of reaction at constant volume. c. the enthalpy of a reaction is the negative of the enthalpy of the reverse reaction. d. the enthalpy of a reaction and the enthalpy of the reverse reaction are equal.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 18:10
Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
Answers: 2
question
Chemistry, 22.06.2019 02:30
Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
Answers: 1
question
Chemistry, 22.06.2019 03:50
Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.
Answers: 1
question
Chemistry, 22.06.2019 07:00
Calculate the number of moles of ethane in 100 grams
Answers: 3
You know the right answer?
Which statement is true? a. the enthalpy for the formation for two moles of a substance is half of...
Questions
question
Biology, 21.01.2020 22:31
Questions on the website: 13722363