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ElenaW [278]
4 years ago
7

In a power plant, coal enters which of these first?

Chemistry
2 answers:
RSB [31]4 years ago
6 0

The correct answer is A. The boiler

ad-work [718]4 years ago
3 0

Answer;

The boiler

Explanation;

-Coal driven plants generate electricity by burning coal in a boiler to produce steam. The steam produced from the boiler is subjected under tremendous pressure. It then flows into a turbine, that spins a generator to create electricity.

-The steam is then cooled, condensed back into water and returned to the boiler to start the process over.

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How many grams of Al are needed to react with 63.0 g of FeO
Tema [17]

The amount of Al required will be 15.77 grams

<h3>Stoichiometric problem</h3>

First, the equation of the reaction:

2Al +3 FeO -- > Al_2O_3 + 3Fe

The mole ratio is 2:3.

Mole of 63.0 g of FeO = 63/71.84 = 0.8769 moles

Equivalent moles of Al = 0.8769 x 2/3 = 0.5846 moles

Mass of 0.5846 moles Al = 0.5846 x 26.98 = 15.77 grams

More on stoichiometric problems can be found here: brainly.com/question/14465605

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4 0
2 years ago
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PLEASE HELP 50 POINTS!! Nitrogen gas reacts with hydrogen to produce ammonia. Use the chemical equation to complete the statemen
GREYUIT [131]

Answer:

There are 2 nitrogen atoms on the product side.

N2 + 3H2

There are 6 hydrogen atoms on the reactant side.

2NH3

Hope I Helped

6 0
3 years ago
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Determine the concentration of H+ ions in an aqueous solution where [OH-] =2.25 × 10^-4 M. I have 29 minutes I beg u guys pls hu
mixas84 [53]

but where Is the volume in order for us to determine the concentration. since we have moles in H+ ions

then you can say

concentration = M*1000/V

6 0
3 years ago
Write a balanced equation for the combustion of gaseous methane (CH4), a majority component of natural gas, in which it combines
max2010maxim [7]

Answer:

CH₄(g) + 2O₂(g) ---> 1CO₂(g) + 2H₂O(g)

Explanation:

any combustion of a hydrocarbon equation is in form:

CₓHₐ(g) + BO₂(g) ---> YCO₂(g) + ZH₂O(g), where x,a,b,y,z are all whole number positive integers

there will be 1 CO₂ to 2 H₂O, since there is 1 C to 4 H in CH₄; it is not 1:4 since 2 H is needed in H₂O

CH₄(g) + _O₂(g) ---> 1CO₂ + 2H₂O

there is 4 total O on products side, which can make 2O₂

CH₄(g) + 2O₂(g) ---> 1CO₂(g) + 2H₂O(g)

6 0
3 years ago
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Calculate the number of grams of C2H6 in 4.6 miles of C2H6
Bezzdna [24]
M (C2H6) = n × M = 4.6 × 30 = 13.8 g.
3 0
3 years ago
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