Chemistry, 14.12.2020 17:10 olivialaine31
Chemistry 10th grade PLEASE really need these answers :(
A. In a chemical reactions, substances after the arrow are called .
C2H4 + O2 β CO2 + H2O
1 products
2 reactants
3 no answer text provided
4 chemicals
B. In this reaction: sodium + water -> sodium hydroxide + hydrogen gas
which substances are the reactants?
1 hydrogen gas
2 sodium hydroxide + hydrogen gas
3 sodium + water
4 sodium hydroxide
C. This is an example of what type of reaction?
Mg + Fe2O3 β Fe + 3 MgO
1 decomposition
2 double replacement
3 single replacement
4 synthesis
5 combustion
D. This is an example of what type of reaction?
Ca(OH)2 + Al2(SO4)3 β CaSO4 + Al(OH)3
1 synthesis
2 decomposition
3 double replacement
4 combustion
5 single replacement
E. This is an example of what type of reaction? PbSO4->PbSO3 + O2
1 single replacement
2 combustion
3 double replacement
4 synthesis
5 decomposition
F. This is an example of what type of reaction?
C2H4 + O2 β CO2 + H2O
1 single replacement
2 double replacement
3 synthesis
4 decomposition
5 combustion
Answers: 1
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Phosphorous can form an ion called phosphide, which has the formula p3β. this ion can form an ion called phosphide, which has the formula p3β. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
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Chemistry 10th grade PLEASE really need these answers :(
A. In a chemical reactions, substances aft...
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