Chemistry, 21.01.2020 08:31 dudedude1593
How many grams of iron (3)sulfide are produced when 131 grams of iron react with excess sulfur?
how many grams of al will completely replace 25.5 grams of cu when aluminum is mixed with aqueous copper (2) sulfate?
Answers: 2
Chemistry, 21.06.2019 15:30
In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature
Answers: 1
Chemistry, 22.06.2019 12:10
Building glycogen from glucose molecules is an example of
Answers: 3
Chemistry, 23.06.2019 02:00
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).
Answers: 2
Chemistry, 23.06.2019 06:40
1.) which of the following is a molecule but not a compound? a.he b.f2 c.h2o d.ch4 2.) what is a physical combination of substances? a.a compound b.a molecule c.a mixture d.an element 3.) what is a chemical combination of substances? a.a compound b.an atom c.a mixture d.an element 4.) what is the relationship between the solute and solvent in a solution? a.they form a compound b.they form a mixture c.they form molecules d.they form chemical bonds 5.) the gases in air dissolve in water. what would be one way to reduce the amount of a gas dissolved in water? a.add more water b.reduce the air pressure c.increase the air pressure d.stir the water 6.) how would you determine the solubility of a substance? a.find how well it dissolved various substances. b.find the mass and the volume of the substance. c.find the temperature at which the substance evaporated. d.find how much i was able to dissolve in a solute. 7.) the periodic table organizes all of the kinds of a.molecules. b.compounds. c.atoms. d.ions. 8.)what distinguishes two substances combined to become a compound vs. two substances combined to become a mixture? a.whether they can be easily separated b.whether they chemically bond together c.whether they both are visible d.whether they are heterogeneous 9.) the principle components of air are: n2 78% o2 21% ar 0.95% co2 0.038% this is a solution of a.molecules and atoms. b.molecules. c.compounds and molecules. d.atoms.
Answers: 1
How many grams of iron (3)sulfide are produced when 131 grams of iron react with excess sulfur?
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Physics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
English, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30
Mathematics, 01.03.2021 22:30