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3 years ago

Is mercury good in making battery

Chemistry

2 answers:

mars1129 [50]3 years ago

7 0

Answer:

No, Mercury can actually cause poisoning. That is why other metals, such as Alkaline metals, are used in making batteries

Likurg_2 [28]3 years ago

3 0

Answer:

Mercury can be found in most common household batteries but will most likely be discontinued in the future.

Explanation:

Zinc air, alkaline, and silver oxide button cell all include mercury but only in SMALL amounts. Chances of this mercury leaking are very unlikely and does not pose a large danger to people. In present day, most batteries are turning away from using mercury so its most likely mercury batteries will not be found in the future.

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9. Do the colors of flame tests result from taking in energy or releasing energy?

Mekhanik [1.2K]

Both. Electrons absorb energy and move to a higher energy state, which is unstable, and they fall back down to their ground state immediately, releasing energy as they do.

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4 years ago

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Aleks04 [339]

The Excretory system

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3 years ago

What is the percent of hydrogen peroxide in the solution when 5.02g of H2O2 solution reacts to produce 0.153g of H2O2? 2H2O2 (l)

Murljashka [212]

Given:

Mass of H2O2 solution = 5.02 g

Mass of H2O2 = 0.153 g

To determine:

The % H2O2 in solution

Explanation:

Chemical reaction-

2H2O2(l) → 2H2O(l) + O2(g)

Mass % of a substance in a solution = (Mass of the substance/Mass of solution) * 100

In this case

% H2O2 = (Mass H2O2/Mass of solution)* 100 = (0.153/5.02)*100 = 3.05%

Ans: % H2O2 in the solution = 3.05%

5 0

3 years ago

Which is a nonpolar molecule?

dedylja [7]

Answer:

Explanation:

A nonpolar molecule has no separation of charge, so no positive or negative poles are formed. In other words, the electrical charges of nonpolar molecules are evenly distributed across the molecule. Nonpolar molecules tend to dissolve well in nonpolar solvents, which are frequently organic solvents. The answer is hydrogen cyanide.

6 0

3 years ago

Which of the following statements about atoms is NOT true?

Alika [10]

Answer:

atoms are too small to be seen under a microscope

Explanation:

scientists have been always making research on atomic structure which cannot be directly looked through a microscope

6 0

3 years ago