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3 years ago

Which component of air is given off when silicon dioxide is passed through air during the industrial preparation of air

Chemistry

2 answers:

Anastaziya [24]3 years ago

5 0

Answer:

poop

Explanation:

cus poop

Ksivusya [100]3 years ago

3 0

Answer:

Answer the following questions: What is the composition of air? Answer: Air is composed of nitrogen, oxygen, carbon dioxide, many other gases, water vapour and dust particles. Which gas in the atmosphere is essential for respiration?

Explanation:

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What does polar and nonpolar mean in science

MissTica

Polar molecules are molecules are essentially have no molecular symmetry.

Nonpolar molecules are molecules that have molecular symmetry.

Water is a very basic example of a polar molecule.

3 0

3 years ago

Read 2 more answers

How would the pH value of an aqueous solution change, when the hydronium ion concentration is increased by a factor of 10?

Anna71 [15]

Answer:

Increasing H⁺ by 10x => pH decreases by 1 unit

Explanation:

In general, adding H⁺ ions to any aqueous solution ALWAYS causes pH values to fall ( decrease ). Just as adding OH⁻ ions to an aqueous solution causes pH values to rise ( increase ).

Here's a simple calculation demonstrating this...

Given 0.01M HCl(aq) => 0.01M H⁺(aq) + Cl⁻(aq) => pH = -log(0.01) = 2.00

Increase [H⁺] by 10x => 0.10M H⁺(aq) => pH = -log[H⁺] = -log(0.10) = 1.00

Solution with higher H⁺ concentration shows pH decreasing by 1 unit.

______________________________________________________-

Just to support the above statement about adding OH⁻ ions showing an increase in pH values, the following is also provided FYI ..

Given 0.01M NaOH(aq) => 0.01M OH⁻(aq) + Na⁺(aq) => pOH = -log(0.01) = 2.00 => pH = 14 - pOH = 14 - 2 = 12

Increase [OH⁻] by 10x => 0.10M OH⁻(aq) => pOH = -log[OH⁻] = -log(0.10) = 1.00 => pH = 14 - pOH = 14 - 1 = 13

Increasing [OH⁻] by 10x => increasing pH by 1 unit.

Solution with higher H⁺ concentration shows pH decreasing by 1 unit.

______________________________________________________

Remember, for any aqueous solution ...

=> Adding H⁺ => always decreases pH

=> Adding OH⁻ => always increases pH

4 0

3 years ago

Help please!

serious [3.7K]

I think that the empirical formula is mgcl2

3 0

2 years ago

How might temperature changes in the human body have an impact on human health ?

MrRissso [65]

It can cause heat strokes anxiety

7 0

3 years ago

The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.

Rzqust [24]

Answer:

Order of the cycle:

Step -1>>>>Step -4 >>>> Step -3 >>>>> step -2.

Explanation:

Step -1:

Carbon dioxide is taken in by plants during photosynthesis.

Step -4;

The animal eats a plant and uses its carbohydrates for energy.

Step - 3

The animal releases the carbon dioxide back into the atmosphere during respiration.

Step -2

The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.

Therefore, order of the cycle is Step -1>>>>Step -4 >>>> Step -3 >>>>> step -2.

5 0

3 years ago

Read 2 more answers