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Q: Which of the following is an example of a double-replacement reaction? A. 3K + AlCl3à 3KCl + Al B. KOH + HBr à KBr + H2O C. CH4 + 2O2à CO2 + 2H2O D. Cu + 2H2SO4à CuSO4 + SO2 + 2H2O
A: B. KOH + HBr ? KBr + H2O
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User: Which of the following is an example of a double-replacement reaction? A. 3K + AlCl3à 3KCl + Al B. KOH + HBr à KBr + H2O C. CH4 + 2O2à CO2 + 2H2O D. Cu + 2H2SO4à CuSO4 + SO2 + 2H2O

Weegy: B. KOH + HBr ? KBr + H2O
sharpies|Points 7309|

User: MgO + H2O à Mg(OH)2 is an example of a _________ chemical reaction. A. synthesis B. combustion C. replacement D. decomposition

Weegy: B. combustion
ladygray|Points 240|

User: Name the type of equation shown here. A. double replacement B. single replacement C. combustion D. synthesis

User: C3H8 + 5O2à 3CO2 + 4H2O is an example of a _________ chemical reaction. A. synthesis B. combustion C. replacement D. synthesis and combustion E. synthesis and replacement

Weegy: A. Synthesis
fondlemyheart|Points 0|

User: Sodium chloride is a _________ in this reaction: sodium chlorate à sodium chloride + oxygen A. product B. reactant C. catalyst D. precipitate

Weegy: A. product
shifa saleheen|Points 9603|

User: Which of these might affect whether or not a particular chemical reaction occurs? A. adding a catalyst B. increasing the heat C. increasing the pressure D. All of these may help a chemical reaction occur.

User: MgO + H2O à Mg(OH)2 is an example of a _________ chemical reaction. A. synthesis B. combustion C. replacement D. decomposition

Weegy: B. combustion
ladygray|Points 240|

User: If a new substance forms during a chemical reaction but is dissolved in solution, what symbol should follow the chemical formula? A. (I) B. (s) C. (g) D. (aq)

Weegy: D. (aq)
caligun|Points 1291|

User: In the following unbalanced chemical reaction, what belongs in the blank? C8H18 + O2à CO2 + H2O + _________ A. CO B. CO3 C. energy D. nothing

Weegy: C. energy
Neon Aloo|Points 635|

User: 2Na + CaF2à 2NaF + Ca is an example of a _________ chemical reaction. A. synthesis B. combustion C. decomposition D. single-replacement E. double-replacement

Weegy: D. single-replacement
concreterose|Points 560|

User: In a chemical reaction, energy can be A. released. B. absorbed. C. released or absorbed. D. neither released nor absorbed.

Weegy: . C. released or absorbed
Neon Aloo|Points 635|

User: 2MgO à 2Mg + O2 is an example of a _________ chemical reaction. A. synthesis B. combustion C. replacement D. decomposition

Weegy: 2MgO ? 2Mg + O2 is an example of B. combustion.
sharpies|Points 7309|

User: MgO + H2O à Mg(OH)2 is an example of a _________ chemical reaction. A. synthesis B. combustion C. replacement D. decomposition

Weegy: B. combustion
ladygray|Points 240|

User: Sodium chloride is a _________ in this reaction: sodium chlorate à sodium chloride + oxygen A. product B. reactant C. catalyst D. precipitate

Weegy: A. product
shifa saleheen|Points 9603|

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Asked 4/10/2012 9:25:26 PM
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