Chemistry, 20.09.2020 07:01 promcafee8788
A sulphuric acid contains 35% (w/w) HBr and has a density of 1.30g mL-1. Calculate the molarity and the molality of this solution
Answers: 2
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Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
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Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
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Chemistry, 23.06.2019 06:30
Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.
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A sulphuric acid contains 35% (w/w) HBr and has a density of 1.30g mL-1. Calculate the molarity and...
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