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denis-greek [22]
3 years ago
15

Atmospheric pollution is the worst when: natural gas is burned coal is burned geothermal heat is used to generate electricity

Chemistry
1 answer:
natta225 [31]3 years ago
4 0
The answer is Coal. Atmospheric pollution is least when geothermal electricity is used to produce electricity.
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What is the mass ratio and atomic ratio for cl2o7
elixir [45]

Answer:

Mass ratio: 71:112

Atomic ratio: 2:7

Explanation:

1. To get the mass ratio of of the compound Cl2O7, the following steps are followed:

- The atomic mass of Cl = 35.5g/mol, O = 16g/mol

- The mass of each element in the compound is as follows:

Cl2 = 35.5(2) = 71g

O7 = 16(7) = 112g

The mass ratio is the ratio of one mass of an element to another in the compound, hence, the mass ratio is 71:112

- The molar mass of the compound, Cl2O7, is determined:

71 + 112 = 183g/mol

- The mass percent of each element is determined by dividing the mass of each element present by the Molar Mass:

Cl = 71/183 = 0.3879 × 100 = 38.8%

O = 112/183 = 0.612 × 100 = 61.2%

2. Atomic ratio is the ratio of one atom in a molecule to another. It can be calculated this:

In Cl2O7, there are 9 total atoms (2 atoms of Cl + 7 atoms of oxygen).

Hence, that atomic ratio of Cl to oxygen in Cl2O7 is 2:7

6 0
2 years ago
What is the product of the reaction between arsenic and oxygen
Ivan

Answer:

d

Explanation:

As + O2 -------->as2o3

5 0
3 years ago
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According to the National Institute of Health, ventricular tachycardia is a fast, regular beating of the ventricles that may las
jarptica [38.1K]

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1 makes the most sense

Explanation:

There is no way blood pressure will be decreased especially if your ventricles are erratically contracting for a long period of time. So 3 and 4 are out. And you said number 2 is wrong so my finally answer is 1.

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A solid substance that has a naturally geometric shape with symmetrically arranged plane faces
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It is a Crystalline
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Which of the following is not observed in a homologous series? ​
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Change in chemical properties

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