Chemistry, 13.02.2020 22:40 winterblanco
10. When a piece of steel wool is burned it gains mass. Which explanation is consistent with the law of conservation of mass?
A. Matter from the air combined with the steel wool.
B. Matter was created during the chemical reaction.
C. A chemical change did not take place.
D. Heat changed into matter.
Answers: 2
Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
Answers: 2
Chemistry, 22.06.2019 02:30
When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
Answers: 2
Chemistry, 22.06.2019 20:30
Citric acid has a ph between 1 and 3. it is considered to be aa. weak acidb. weak basec. strong based. strong acid
Answers: 2
Chemistry, 22.06.2019 21:00
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
Answers: 1
10. When a piece of steel wool is burned it gains mass. Which explanation is consistent with the law...
Mathematics, 30.11.2020 05:30
Social Studies, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
English, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:30
Mathematics, 30.11.2020 05:40