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Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?
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Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted.
Top answer:
Of course not. 2 mol CaO formed means 1 mol O2 used.
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Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted.
Top answer:
To determine whether the statement is true or false, we need to understand the stoichiometry of the
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Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted.
Top answer:
false.
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Which of the following is the formation reaction for CaO(s) ?
A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. 2 Ca(s)
Top answer:
You sound like you're on the right track but with no arrows your equations don't make sense. As for
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Which of the following is the formation reaction for CaO(s) ?
can you check my answer(the one that has star next to it) A. Ca(s)
Top answer:
Yes, D looks fine. Why is A not correct as the reactants and product are correct and it balances in
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Which of the following is the formation reaction for CaO(s) ?
A. Ca2+(aq) + O2–(aq) CaO(s) B. Ca(s) + .5O2(g) CaO(s). C. CaO(s)
Top answer:
B isn't balanced so throw it out. That leaves D as the only possible answer. By the way, you should
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Which of the following is the formation reaction for CaO(s) ?
A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. Ca(s) +
Top answer:
None of them. The formation reaction is the equation for <b>1</b> mole of the material to form from
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If 1.5g of CaO is mixed with 2.5M HNO3
how many moles of CaO were reacted and what type of reaction is this ?
Top answer:
How much 2.5M HNO3. CaO + 2HNO3 => Ca(NO3)2 + H2O This is an acid/base reaction but in terms of the
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Ammonia gas can be prepared by the reaction CaO(s) + 2NH4Cl(s) -> 2NH3(g) + H2O(g) + CaCl2(s) If 112 g CaO reacts with 224 g
Top answer:
To determine the number of moles of reactants and products in the given reaction, we need to use the
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Ammonia gas can be prepared by the reaction CaO(s) + 2NH4Cl(s) -> 2NH3(g) + H2O(g) + CaCl2(s)
If 112 g CaO reacts with 224 g
Top answer:
quantity (g) of pure CaCl2 in 7.5g of CaCl2 9H2O
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