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3 years ago

Who answers the three economic questions in a market economy? How is this different from command economy?

Chemistry

1 answer:

Natali [406]3 years ago

6 0

Answer:

Market economies are characterized by their free markets. Examples are the United States and the United Kingdom.

That's pretty clear. What it means is that they trust in the free market and its operation to answer the questions of what to produce, how much to produce, and for whom.

Command economies are characterized by their control of markets. Examples are China and North Korea.

They rely on the government, <em>not the free market itself, </em>to control what should be produced. This makes for a more strict system that can pay off in the long run, but can also run the risk of being heavy-handed.

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The compound methyl butanoate smells like apples. Its percent composition is 58.8% C, 9.9% H, and 31.4% O. What’s the empirical

blsea [12.9K]

To find the empirical formula you would first need to find the moles of each element:

58.8g/ 12.0g = 4.9 mol C

9.9g/ 1.0g = 9.9 mol H

31.4g/ 16.0g = 1.96 O

Then you divide by the smallest number of moles of each:

4.9/1.96 = 2.5

9.9/1.96 = 6

1.96/1.96 = 1

Since there is 2.5, you find the least number that makes each moles a whole number which is 2.

So the empirical formula is C5H12O2.

6 0

3 years ago

A scientist is conducting an experiment with sand. Some iron filings accidentally fell into the sand. What could the scientist u

anzhelika [568]

Get a magnet in a bag (inside out) and move the magnet all over the sand/iron and you can collect all the iron and turn the bag right side out and zip up the bag. Now you have the sand and iron separated and it will be harder to accidentally mix them later.

7 0

3 years ago

Read 2 more answers

Can someone please help me come up with a hypothesis for an experiment?

m_a_m_a [10]

I believe that sugar will desolve the fastest because of the room temperature

5 0

3 years ago

What is the percentage yield of O2 if 12.3 g of KClO3 (molar mass 123 g) is decomposed to produce 3.2 g of O2 (molar mass 32 g)

My name is Ann [436]

Answer:

The percentage yield of O2 is 66.7%

Explanation:

Reaction for decomposition of potassium chlorate is:

2KClO₃ → 2KCl + 3O₂

The products are potassium chloride and oxygen.

Let's find out the moles of chlorate.

Mass / Molar mass = Moles

12.3 g / 123 g/mol = 0.1 mol

So ratio is 2:3, 2 moles of chlorate produce 3 mol of oxygen.

Then, 0.1 mol of chlorate may produce (0.1 .3)/ 2 = 0.15 moles

Let's convert the moles of produced oxygen, as to find out the theoretical yield.

0.15 mol . 32 g/ 1mol = 4.8 g

To calculate the percentage yield, the formula is

(Produced Yield / Theoretical yield) . 100 =

(3.2g / 4.8g) . 100 = 66.7 %

8 0

3 years ago

Give an example of how environmental science might involve geology and chemistry.

Sever21 [200]

One of the examples is radiation and chemistry of water. Environmental science requires the capacity to integrate data from the greater part of the significant fields of science, and in addition from arithmetic.
Geology is vital on the grounds that huge scale arrives forms make geology. The presence of mountains and valleys influences how much daylight and precipitation achieve the ground, how breezy an area is, the manner by which precipitation keeps running off, and numerous different variables that figure out what plants and creatures will have the capacity to occupy a district.

8 0

3 years ago