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Test 2C Balancing
Test 2C Balancing
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Test Review 2C balancing and types of reactions
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20 cards
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Practice quiz
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Questions
20
Answers
1
no new matter is created or destroyed. All elements in the reactants are inthe products.
Some unknown chemistry mystery
Law of conservation of energy
Law of conservation of mass
Mrs. Yates' law
2
Whatcompounds are produced by acombustion reaction involving a hydrocarbon?
carbon and oxygen
water and a salt
water and carbon dioxide
carbon monoxide and water
3
Ina(n)______ reaction, there are more than one reactant and a single product.
single replacement
double replacement
decompostion
synthesis
4
Predict the products between CH
3
+O
2
→
CO2 and H3O2
you can not tell
CO2 and H2O
slat and water
5
Predict the products, write and balance the equation for ethane, C
2
H
6
,burning in oxygen
C2H6 + O2 → C2+ 6H
C2H6 + O2 → C2O + H6O
C2H6 + 3O2 →2CO2 + 3H2O
2C2H6 + 7O2→4CO2 + 6H2O
6
balance it: ___Al+ _CuCl
2
→ _ AlCl
3
+_Cu
2,3,2,3
1,3,1,3
1,1,1,1
1,3,2,1
7
In a(n)___________ reaction, a compound breaks down into two or more products.
synthesis
single replacement
double replacement
decompostion
8
In every balanced equation, each side of the equation has the same number of
compounds on each side
atomsof each of the elements
coefficient of each of the compounds
molecules of each of the elements
9
What are the balanced products of Calcium Phosphate + Cobalt (III)Tungstate →
3CaWO3 + 3CoPO4
2Ca2(WO4)2 + 3CoPO4
CaWO4 + 2PO4Co
3CaWO4 + 2CoPO4
10
KClO
3
→ KCl + O
2
is what type of reaction?
synthesis
combustion
single replacement
decompostion
11
the reactants are compound and element, and the products are a different compound and element.
double replacement
decompostion
synthesis
single replacement
12
Balance this: Al(NO
3
)
3
+ _NaOH → _Al(OH)
3
+_ NaNO
3, what are the coefficients?
3,1, 2,6
1,3,1,3
1,1,1,3
1,2,3,1
13
NH
3
+ O
2
→ NO + H
2
O is what type of reaction?
decompostion
Acid/base & double replacement
synthesis
combustion
14
NaOH+H
2
SO
4
→ Na
2
SO
4
+ H
2
O is what type of reaction?
synthesis
single replacement
acid / base
double replacement
15
balance this: __NH
3
+_O
2
→ __NO + ___H
2
O
4,5,4,6
2,3,2,3
4,10,4,6
1,1,1,1
16
Balance this: KClO
3
→__KCl + __O
2
2,3,2
1,1,3
2,3,6
2,2,3
17
Predict the products between Al(NO
3
)
3
+ NaOH→
Al(OH)3 + NO3Na
Al(OH)3 + NaNO3
AlNa + (OH)3 NO3
Al(OH)3 + Na3NO3
18
A(n)_________________reaction takes place between two ionic compounds .
decompostion
synthesis
double replacement
acid/base
19
What are the (unbalanced products) of Calcium Phosphate + Cobalt (III)Tungstate →
CaWO4 + CoPO4
CaWO3 + CoPO4
CaWO4 + PO4Co
Ca2(WO4)2 + CoPO4
20
CaO+ P
2
O
5
→ Ca(PO
4
)
2
is what type of reaction?
single replacement
double replacement
synthesis
combustion
