subject
Chemistry, 23.11.2020 03:50 Alizerodriguez2010

Which of the following is a statement of Hess's law? O A. The enthalpy of reaction is exothermic if all the intermediate steps
are exothermic.
B. The enthalpy of reaction is determined from temperature changes
in the reaction.
C. The enthalpy of reaction does not depend on the steps taken in
the reaction.
O D. The enthalpy of reaction is known only for reactions that are
directly measurable.

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:40, eamccoy1
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
image
Chemistry, 22.06.2019 02:30, carsonjohnsonn
If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
Answers: 1
image
Chemistry, 22.06.2019 05:00, happy121906
Which position represents spring in the southern hemisphere? a) b) c) d)
Answers: 2
image
Chemistry, 22.06.2019 08:40, seth3336
Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
You know the right answer?
Which of the following is a statement of Hess's law? O A. The enthalpy of reaction is exothermic if...

Questions in other subjects:

Konu
Mathematics, 28.07.2021 21:40
Konu
Mathematics, 28.07.2021 21:40