Chemistry, 08.06.2021 18:40 dwilburn01
The order of increasing relative molecular mass of the following gases is
hydrogen, oxygen, carbon dioxide, sulphur dioxide, chlorine. Given 8 g
of each gas at STP, which will contain the least number of molecules and
which the most?​
Answers: 3
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Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
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Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
The order of increasing relative molecular mass of the following gases is
hydrogen, oxygen, carbon...
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