Chemistry, 08.12.2020 17:10, asdf334asdf334
A gas in a container has a pressure of 0.77 atm, volume of 65,5 L and a temperature of 235 K. If the gas
is helium, what mass of helium is in the container?
A) 2.61 g
B) 10.5 g
C) 0.625 g
D) 0.859 g
Answers: 2
Chemistry, 21.06.2019 22:30, mimireds5419
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →
Answers: 3
Chemistry, 22.06.2019 09:30, jewelz5887
1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
Answers: 1
Chemistry, 23.06.2019 00:00, jasmin5285
What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
Answers: 1
A gas in a container has a pressure of 0.77 atm, volume of 65,5 L and a temperature of 235 K. If the...
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