1st one= CaO +H2O=Ca(OH)2
product side-
Ca=1
O=2
H=2
Reactant side-
Ca=1
O=2
H=2
The first one is balanced for you
There is 1 calcium on each side 2 oxygens on each side and 2 hydrogens on each side

6 0

3 years ago

What is20 grams of HNO^3

morpeh [17]

63.01284*20=1260.568

7 0

3 years ago

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The angle between the horizon and the sun is <br>a.large <br>b.small<br>at both sunrise and sunset

Inessa [10]

Answer: b

Explanation:

6 0

2 years ago

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If an unbalanced force is applied to an object what my happen to the object￼￼

If an unbalanced force is applied to an object what my happen to the object