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Paha777 [63]
1 year ago
14

When calcium plus iron oxide forms calcium oxide and iron, it is a ____________.

Chemistry
1 answer:
Jet001 [13]1 year ago
4 0

Answer:

your answer is single replacement reaction or ay+b----> by+a

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Please use the below balanced equation to answer this question.    2H2(g)  +  O2(g)  ->   2H2O(l) How many grams of water wil
Blizzard [7]
At STP (standard temperature and pressure conditions), 1 mol of any gas occupies 22.4 L 
This rule is applied to O₂
22.4 L volume occupied by 1 mol
Therefore 83.4 L occupied by - 1/ 22.4 x 83.4 = 3.72 mol
stoichiometry of O₂ to H₂O is 1:2
then the number of moles of water produced - 3.72 mol x 2= 7.44 mol
mass of water produced - 7.44 mol x 18.01 g/mol = 134.1 g
correct answer is D

4 0
2 years ago
The balanced chemical equation for the reaction between sodium chloride and silver nitrate is:
bonufazy [111]

Answer:

We can Interprete it as 1mole of Sodium Chloride and 1mole of Silver Nitrate React to Produce

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7 0
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Reptile [31]

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The Correct Answer is : C

3 0
3 years ago
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AnnyKZ [126]

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C. gravity causing a curved path as an object tries to go straight.

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