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Scilla [17]
3 years ago
11

Unsur senyawa CaCO3 adalah

Chemistry
1 answer:
ella [17]3 years ago
7 0
It is caco3  ok  thats the answer
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The graph above represents an object moving with a __________________. A) constant velocity B) constant acceleration C) constant
Ann [662]

Answer: I think its C or B

Explanation: Hope this was helpful....

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3 years ago
Which surface ocean current has the warmest water.
SOVA2 [1]
Which surface ocean current has the warmest water.
 The answer would be B
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what is the balanced equation for the reaction of solid magnesium metal with oxygen gas to produce solid magnesium oxide
GaryK [48]

Answer:

2Mg + O₂ ⟶ 2MgO

Explanation:

Step 1. Start with the most complicated-looking formula (O₂?).

Put a 1 in front of it.

Mg + 1O₂ ⟶ MgO

Step 2. Balance O.

We have fixed 2 O on the left. We need 2O on the right. Put a 2 in front of MgO.

Mg + 1O₂ ⟶ 2MgO

Step 3. Balance Mg.

We have fixed 2 Mg on the right-hand side. We need 2 Mg atoms on the left. Put a 2 in front of Mg.

2Mg + 1O₂ ⟶ 2MgO

Every formula now has a coefficient. The equation should be balanced. Let’s check.

<u>Atom</u>  <u>On the left</u>  <u>On the righ</u>t

  Mg             2                  2

  O                2                  2

All atoms are balanced.

The balanced equation is

2Mg + O₂ ⟶ 2MgO

4 0
3 years ago
How does water heat Earth?
nata0808 [166]

Answer:

I hope it's helpful for you...

Explanation:

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I think it's correct answer

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