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Ainat [17]
3 years ago
11

Which describes a factor that limits economic growth? making investments developing technology engaging in trade having low inte

rnal demand
Chemistry
2 answers:
Naya [18.7K]3 years ago
5 0

ANSWER: Having low internal demand

EXPLANATION: The economic growth of a country depends upon the goods produced and sold in the country and across borders. If the country is having low internal demands, it will be a loss for the government as there will be less production of goods and services. The government will either have to depend on exports which on one hand have limitations or will have to stop producing goods and services for citizens. This will in turn affect the country in many ways like unemployment, less money circulation etc.

avanturin [10]3 years ago
3 0

D. having low internal demand

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Answer:

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Explanation:

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3 years ago
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How many liters will 451 g of krypton gas occupy at STP
Nonamiya [84]
First divide 451g by kryptons molar mass
451g/84gmol= 5.369047619moles

Then multiply 5.369047619moles by 22.4L(volume 1 mol of a gas occupies at STP)

5.369047619moles x 22.4L= 120.26L

Answer: 120.26L

Hoped this helped to explain molar conversions it can be hard to understand at first but you will get the hang of it
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3 years ago
Which of the following expands to fill the container it is in, but can be compressed to a smaller volume when pressure is applie
Andrew [12]
Oxygen gas expands in a container and when pressure is applied it liquifies and occupies a smaller volume

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3 0
3 years ago
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Chemistry Question! Please help ASAP!! <br> Would really appreciate!
Ivan
A mixture of Cu2 and CuO of mass 8.828g is reduced to copper metal with hydrogen:
Cu2O + H2 --> 2Cu + H2O
CuO + H2 --> Cu + H2O

If the mass of pure copper isolated was 7.214g, determine the percent by mass of CuO in the original sample

Let x = grams of CuO in the original sample.
y = grams of Cu2O in the original sample.

Eq. #1 x + y = 8.828 grams

Molar mass of CuO = 63.5 + 16 = 79.5 grams
Moles of CuO = x ÷ 79.5

Molar mass of Cu2O = 63.546 + 32 = 95.5 grams
Moles of Cu2O = y ÷ 95.5

According to the 2nd balanced equation, CuO + H2 --> Cu + H2O ,
1 mole of CuO produces 1 mole of Cu.
So, x ÷ 79.5 moles of CuO will produce x ÷ 79.5 moles of Cu


According to the 1st balanced equation, Cu2O + H2 --> 2Cu + H2O,
1 mole of Cu2O produces 2 moles of Cu
So, (y ÷ 95.5) moles of Cu2O will produce 2 * (y ÷ 95.5) moles of Cu

Since, the mass of pure copper isolated was 7.214 grams
Moles of Cu = (7.214 ÷ 63.5)

Moles of Cu from Cu2O + moles of Cu from CuO = total moles of Cu!!

2 * (y ÷ 95.5) + (x ÷ 79.5) = (7.214 ÷ 63.5)
Multiply by both sides by 95.5 * 79.5 * 63.5 to get rid of denominators

(2 * 79.5 * 63.5) y + (95.5 * 63.5) x = (7.214 * 95.5 * 79.5)

10,096.5 y + 6,064.25 x = 36,418.0755
Divide both sides by 6,064.25
x + 1.665 y = 6

Eq.#2 x = 6 – 1.665 y
Eq. #1 x + y = 8.828
x = 8.828 – y

8.828 – y = 6 – 1.665 y
0.665 y = 2.828
y = 4.25 grams of Cu2O
x = 8.828 – 4.25 = 4.58 grams of CuO

% CuO = (4.58 ÷ 8.828) * 100 = 51.88% CuO
3 0
3 years ago
1. What is a chemical reaction
Charra [1.4K]

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

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3 years ago
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