Chemistry, 02.10.2019 04:20 ahmetagayew2004
Ihave a link to see the new movie joker for free online and ill give it too you if you answer this
(02.03 mc)
josh heated a certain amount of blue copper sulfate crystals to get 2.1 g of white copper sulfate powder and 1.4 g of water. what is most likely the mass of the blue copper sulfate that he heated and why?
2.1 g, mass of the copper sulfate is conserved
2.1 g, mass of reactant changes during chemical change
3.5 g, mass increases when chemical composition changes
3.5 g, mass is conserved during physical and chemical changes
Answers: 1
Chemistry, 22.06.2019 08:30
Joan writes four numbers on the board in standard form, and then she writes their scientific notation
Answers: 1
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00mΓ8.00mΓ2.50m is to be filled with pure oxygen at 22.0βc and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
Chemistry, 22.06.2019 14:30
Chemistry worksheet - i am not sure what they are asking for exactly?
Answers: 1
Ihave a link to see the new movie joker for free online and ill give it too you if you answer this <...
Biology, 06.06.2020 05:57
Mathematics, 06.06.2020 05:57
Mathematics, 06.06.2020 05:57
Mathematics, 06.06.2020 05:57
English, 06.06.2020 05:57
Mathematics, 06.06.2020 05:57
English, 06.06.2020 05:57
Mathematics, 06.06.2020 05:57
History, 06.06.2020 05:57
English, 06.06.2020 05:57