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4 years ago

How many days pass until the exact same Moon shape reappears?

Chemistry

1 answer:

Troyanec [42]4 years ago

4 0

22 because that how many days it will take for the exact moon shape to pass and it will then reappear.

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A fatty acid that contains no carbon-carbon double bonds is called a

wlad13 [49]

It Called a Unsaturated I hope this helped

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4 years ago

Write a chemical equation for KOH(aq) showing how it is an acid or a base according to the Arrhenius definition.

Sati [7]

Answer:

Write a chemical equation for KOH(aq) showing how it is an acid or a base according to the Arrhenius definition.

Express your answer as a chemical equation. Identify all of the phases in your answer.

Write a chemical equation for NH4+(aq) showing how it is an acid or a base according to the Arrhenius definition.

Express your answer as a chemical equation. Identify all of the phases in your answer.

Explanation:

According to this theory, an acid is a substance that is a proton donor when the substance is dissolved in water.

The base is the one that gives OH- ions when dissolved in water.

KOH(aq) is a base.

Because it releases OH- ions when dissolved in water.

$KOH(aq)->K^+(aq)+OH^-(aq)$

The ammonium ion is an acid.

It can donate a proton when dissolved in water.

$NH_4^+(aq)->NH_3(aq)+H^+(aq)$

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3 years ago

Which of the following measurements is expressed to three significant figures?

Zepler [3.9K]

Which of the following measurements is expressed to three significant figures?
C. 5.60 km
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What happens to the atoms in a scoop of ice cream as it melts?

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The solid water begins to change into liquid water when the ice molecules start to move around. Another way to say that a substance changes from the solid state to the liquid state is to say it melts. Te ice continues to melt as more ice molecules get enough energy to move around.

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Which element is a halogen?

klemol [59]

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