Chemistry, 31.10.2019 04:31 rosepetals2938
The first law of thermodynamics states that e=q-w. how is this also a statement of principle of conservation of energy?
a. a change in internal energy causes work to be done and heat to flow into the system.
b. the work that is done by the piston is transformed into heat and change in internal energy.
c. the energy that flows into the system is transformed into head and work.
d. the heat that flows into the system is fransformed into work and a change in internal energy.
Answers: 3
Chemistry, 23.06.2019 00:30
Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?
Answers: 1
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
Chemistry, 23.06.2019 04:20
The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
The first law of thermodynamics states that e=q-w. how is this also a statement of principle of cons...
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