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3 years ago

15

A compound is a pure substance made up of two or more different atoms joined by chemical bonds. Consider the composition of the

air in Earth’s atmosphere. Which of the components of air is a compound? (Hint: refer back to your elements notes) How do you know?

1 answer:

wolverine [178]3 years ago

5 0

Answer:

Carbon dioxide is a compound

Explanation:

It is formed by chemical combination of carbon and oxygen atoms

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What is one way to reduce the use of nonrenewable energy resources?

omeli [17]

Answer:

By increasing the use of renewable energy sources!

Explanation:

To satisfy the need for power in (whatever country you live in) you need to have a certain quota of power. This is typically achieved by the use of oil and natural gasses. You can also achieve it though by using thermal energy as well as solar energy (Solar Panels), and wind, kinetic, and water. (Windmills and Watermills). These are quite difficult to make and cost a lot of money to produce and kept running smoothly. So to cut back on cost we just use oil/natural gasses. But to answer your question, we need more renewable energy to make nonrenewable energy less used!

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What is the Golden Rule of Solubility? A. polar dissolves nonpolar B. nonpolar dissolves polar C. like dissolves unlike D. like

nexus9112 [7]

D. Like dissolves in like

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3 years ago

Bases increase the concentration of hydronium ions by donating hydroxide ions to water molecules.

yuradex [85]

Answer:

The given statement is false.

Explanation:

Acid as are defined as those substance which gives hydrogen ions in their aqueous solutions.

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Base as are defined as those substance which gives hydroxide ions in their aqueous solutions.

$BOH(aq)\rightarrow B^+(aq)+OH^-(aq)$

The given statement is false.The correct statement is :

Bases increase the concentration of hydroxide ions by donating hydroxide ions to water molecules.

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