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Reptile [31]
3 years ago
9

How cogeneration reduces fossil fuel?

Chemistry
2 answers:
Ilya [14]3 years ago
8 0

Answer:

Along with the saving of fossil fuels, cogeneration also allows to reduce the emission of greenhouse gases (particularly CO2 emission). The production of electricity being on-site, the burden on the utility network is reduced and the transmission line losses eliminated

Explanation:

stepan [7]3 years ago
6 0

Answer:

Along with the saving of fossil fuels, cogeneration also allows to reduce the emission of greenhouse gases (particularly CO2 emission). The production of electricity being on-site, the burden on the utility network is reduced and the transmission line losses eliminated.

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Using this equation 2H2+O2–>2H2O when 47g of water are produced, how many grams of hydrogen must react
hoa [83]

You must react 5.3 g H_2 to produce 47 g H_2O.

<em>Step 1</em>. Calculate the <em>moles of H_2O</em>

Moles of H_2O = 47 g H_2O × (1 mol H_2O/18.02 g H_2O) =2.61 mol H_2O

<em>Step 2</em>. Calculate the <em>moles of H_2 </em>

Moles of H_2 = 2.61 mol H_2O × (2mol H_2/2 mol H_2O) = 2.61 mol H_2

<em>Step 3</em>. Calculate the <em>mass of H_2</em>

Mass of H_2 = 2.61 mol H_2 × (2.016 g H_2/1 mol H_2) = 5.3 g H_2

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3 years ago
How many neutrons does element X have if its atomic number is 37 and its mass number is 80?
Verizon [17]
Answer: 43.

Explanation:

Mass number is the sum of protons and neutrons of an atom.

The number of prortons is the atomic number, so you can write:

Mass number = atomic number + number of neutrons. From which you get;

number of neutrons = mass number - atomic number = 80 - 37 = 43

All the atoms of a given element have the same number of protons. That is why the number of protons idenfies the elements and is called atomic number.

The number of neutrons of a given element may be different for different atoms of the same element.

The atoms of an element that have different number of neutrons are called isotopes. So, different isotopes of the same element have same atomic number but different mass number.


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