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3 years ago

Identify each part of this chemical equation, which

Social Studies

1 answer:

Step2247 [10]3 years ago

3 0

Answer:

The chemical reaction of burning methane and oxygen is as follows;

(A (the entire green box): chemical equation

B (the blue box): reactants

C (the arrow): reacts to form

D (the purple box): products (This is the chemical equation)

Here, the reactants are methane and oxygen, one mole of methane reacts with 2 moles of oxygen present in the air;

and the products thus formed are one mole of carbon dioxide and two moles of water.

So here, methane and oxygen reacts to form carbon dioxide and water.

Explanation:I hope I can help you :)

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In 1756, the major powers shifted their alliances and Prussia allied with Britain while France allied with Austria, a change known as the diplomatic revolution. ... All the participants of the Seven Years' War: [blue] Great Britain, Prussia, Portugal, with allies; [green] France, Spain, Austria, Russia, Sweden with allies.

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What did the appellate court rule in the case in the text, Power Entertainment, Inc., et. al. v. National Football League Proper

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3 years ago

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Nimfa-mama [501]

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3 years ago

A committee consists of eight women and twelve men. Three committee members will be chosen as officers. What is the probability

MariettaO [177]

Answer:

The probability that all the officers are women is $\frac{56}{1140}$

Explanation:

Given a committee consisting of 8 women and 12 men, from which 3 committee members are to be chosen as officers from a committee.

The total number of committee members is 8 + 12 = 20 members

C(n,r) = $\frac{n!}{r!(n-r)!}$ which represents the number of combinations of taking r objects out of n.

The probability that all the officers are women = C(8,3) / C(20,3)

= $\frac{8!}{3!(8-3)!} / \frac{20!}{3!(20-3)!}$

= $\frac{8!}{3!5!} /\frac{20!}{3!17!}$

= $\frac{56}{1140}$

Therefore the probability that all the officers are women is $\frac{56}{1140}$

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