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3 years ago

Which of the following is an area targeted by countries to reduce environmental impact?

Chemistry

2 answers:

Ainat [17]3 years ago

8 0

the answer is D on e2020

Doss [256]3 years ago

5 0

Answer:greenhouse gas emissions

Explanation:

Each country targets the minimization of green house gases. Green house gases are those gases that are known to contribute towards global warming or greenhouse effect such as CO2, N2O,and water vapour. This is the rationale behind the move by many countries towards the substitution of fossil fuels by cleaner fuels. Fossil fuels produce carbon IV oxide which is known to lead to global warming. Greenhouse gasses impact the environment negatively by raising the temperature of the earth.

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According to Table I, which salt releases energy as it dissolves?

CaHeK987 [17]

According to the table, I, LIBr releases energy as it dissolves.
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2 years ago

True or False: There are five (5) of Newton's Laws of Motion *

kvasek [131]

Answer:

False

there is three

Explanation:

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2 years ago

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What do you call a bond that forms when electrons are transferred from one atom to another?

AlekseyPX

It is called an ionic bond

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2 years ago

What is the difference between material resources and energy resources?

Luba_88 [7]

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3 years ago

How many total atoms are in 0.680 g of P₂O5?

Ludmilka [50]

Answer: 2.88× $10^{24}$ atoms $P_{2}O_{5}$

Explanation: First, using stoichiometry, we must convert this from grams to moles, then from moles to atoms.

1. For the first step, we should also look at the periodic table to find the molar mass of the compound, then use that as the denominator.

$0.680g P_{2} O_{5} *\frac{1molP_{2} O_{5} }{141.948gP_{2} O_{5} } =4.79mol P_{2} O_{5}$

2. Now that it is converted to moles, we must convert it to atoms by multiplying it by Avogadro's number.

$4.79molP_{2} O_{5} *\frac{6.022X10^{23} }{1mol} =2.88*10^{24}$

With this information, we know that there are $2.88X10^{24}$ total atoms in 0.680 grams $P_{2} O_{5}$ .

I hope this helps! Pls give brainliest!! :)

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2 years ago