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mina [271]
3 years ago
9

Approximately how long does it take for the moon's phases to change from a NEW moon to a FULL moon?

Chemistry
1 answer:
stiks02 [169]3 years ago
8 0

Answer:

4 weeks

Explanation:

It takes 4 weeks for the cyclle to be happening again

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AfilCa [17]

Answer:

HCOOH(aq) + OH-(aq) —> HCOO-(aq) + H2O(l)

Explanation:

HCOOH is a weak acid and so will not ionised completely in solution.

KOH is a strong base and will ionised completely as shown below

KOH(aq) –> K+(aq) + OH-(aq)

The overall reaction can be written as follow:

HCOOH(aq) + K+(aq) + OH-(aq) —> HCOO-(aq) + K+(aq) + H2O(l)

Cancel out the K+ to obtain the net ionic equation as shown below

HCOOH(aq) + OH-(aq) —> HCOO-(aq) + H2O(l)

3 0
4 years ago
A 4.80g piece of magnesium displaces 2.76 mL of water when it is placed in a graduated cylinder. What is the density of magnesiu
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8 0
3 years ago
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8_murik_8 [283]

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