Chemistry, 05.02.2020 07:52, mateoperez496
1. which of the following is not a property of solution?
a. it has a definite composition.
b. it has a homogeneous composition.
c. it is consist of a single phase.
d. it can be physically separated into its components.
2. what is the molarity of a solution that contains 1.50 mol hcl in 2.50 l of solution?
a. 1.67 m
b. 0.600 m
c. 1.20 m
d. 1.40 m
3. in a solution of 6m hcl, hcl is the
a. solvent
b. solute
c. product
d. reactant
4. mg(oh)2 + 2 hcl → mgcl2 + 2 h2o is an example of
a. synthesis reaction
b. single displacement reaction
c. decomposition reaction
d. double displacement reaction
5. given the balanced equation:
2 h2 + o2 → 2 h2o
what mass of water will 16 g of o2 produce?
(round your answer to the nearest whole number)
a. 2 g
b. 36 g
c. 18 g
d. 9 g
Answers: 2
Chemistry, 22.06.2019 13:00, carlinryan
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
Answers: 2
Chemistry, 22.06.2019 15:00, NatalieKnows
Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
Answers: 1
1. which of the following is not a property of solution?
a. it has a definite composit...
a. it has a definite composit...
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