Which sample is a pure substance?
a test tube of zinc oxide
a container of zinc and oxyg...
Chemistry, 31.03.2020 20:23 chandataylor4215
Which sample is a pure substance?
a test tube of zinc oxide
a container of zinc and oxygen
a flask of pond water
a jar of soil
Answers: 2
Chemistry, 21.06.2019 18:00
Which is mostly likely why many scientists reject the cold fusion theory
Answers: 1
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 21:50
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
Chemistry, 23.06.2019 03:00
Achemical equilibrium between gaseous reactants and products is shown. n2(g) + 3h2(g) ⇌ 2nh3(g) how will the reaction be affected if the pressure on the system is increased? it will shift toward the reactant side as there is lower pressure on the reactant side. it will shift toward the product side as there is higher pressure on the product side. it will shift toward the reactant side as there are a greater number of moles of gas on the reactant side. it will shift toward the product side as there are a fewer number of moles of gas on the product side.
Answers: 2
Mathematics, 13.10.2020 06:01
Social Studies, 13.10.2020 06:01
Mathematics, 13.10.2020 06:01
Mathematics, 13.10.2020 06:01
Social Studies, 13.10.2020 06:01
Spanish, 13.10.2020 06:01
Chemistry, 13.10.2020 06:01
Chemistry, 13.10.2020 06:01
History, 13.10.2020 06:01
English, 13.10.2020 06:01
History, 13.10.2020 06:01
Mathematics, 13.10.2020 06:01
English, 13.10.2020 06:01