a. v2o5 + hcl ? vocl3 + h2o
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Chemistry, 16.10.2019 11:10 monayemcnett11
1. which of these is the balanced equation for this reaction?
a. v2o5 + hcl ? vocl3 + h2o
b. v2o5 + hcl ? 2vocl3 + 3h2o
c. v2o5 + 3hcl ? 2vocl3 + h2o
d. v2o5 + 6hcl ? 2vocl3 + 3h2o
2. __n2 + __o2 + __h2o ? __hno3
what coefficient values will balance the reaction?
a. 2,5,2,4
b. 2,2,2,2
c. 2,2,1,2
d. 1,3,1,2
3.the chemical formula of a compound can tell you -
a. the proportions of elements in the compound.
b. the three-dimensional structure of the compound.
c. the type and arrangement of bonds in the compound.
d. the properties of the elements in the compound.
4.the reaction equation below shows the formation of aluminum oxide. which set of coefficients balances the equation? al + o2 ? al2o3
a. 1,1,1
b. 2,3,5
c. 2,4,5
d. 4,3,2
5.which of the following is the balanced equation for this process?
a.2nh4no3? 2n2 + o2 + 4h2o
b. nh4no3? n2 + 3o2 + h2o
c.2nh4no3? n2 + o2 + 3h2o
d.2nh4no3? n2 + 3o2 + 2h2o
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Answers: 2
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You know the right answer?
1. which of these is the balanced equation for this reaction?
a. v2o5 + hcl ? vocl3 + h2o
a. v2o5 + hcl ? vocl3 + h2o
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