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3 years ago

Which processes moves rock materials across the surface of the Earth?

Chemistry

2 answers:

Molodets [167]3 years ago

6 0

I believe erosion is what you are looking for..

posledela3 years ago

6 0

Erosion moves rock materials across the surface of Earth.

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What is the effect of an expansionary fiscal policy upon an economy with an increasing budget deficit and growing national debt?

bixtya [17]

Answer:

increased deficit spending and increasing or growing national debt

Explanation:

If expansionary fiscal policy continues in an economy with an increasing budget deficit and a growing national debt, such an economy will experience high inflation. Expansionary fiscal policy means an increase in government spending. In other words, fiscal policy is when the government commits or spends more money on infrastructure or other budget items or lower taxes that lead to an increase …

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3 years ago

Write a balanced chemical equation for the decomposition of RbNO3. Help me please!!!

nalin [4]

Answer:

2RbNO³ --> 2Rb + N² + 30²

Hope this helps!

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3 years ago

An experiment generates 3.07 L of oxygen gas, which is

artcher [175]

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Explanation:

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3 years ago

What is the theory stating that earths lithosphere is made up of large plates that are in constant motion

Lena [83]

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3 years ago

Most fertilizers consist of nitrogen-containing compounds such as NH3,CO(NH2)2,NH4NO3, and (NH4)2SO4. Plants use the nitrogen co

Y_Kistochka [10]

Answer: 1. $NH_3=82.4\%$

2. $CO(NH_2)_2=46.7\%$

3. . $NH_4NO_3=35\%$

4. $(NH_4)_2SO_4=21.2\%$

$NH_3$ has highest nitrogen content.

Explanation:

To calculate the mass percent of element in a given compound, we use the formula:

$\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Molar mass of nitrogen compound}}\times 100$

1. $NH_3$

$\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} NH_3}=\frac{14}{17}\times 100=82.4\%$

2. $CO(NH_2)_2$

$\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} CO(NH_2)_2}=\frac{14\times 2}{12\times 1+16\times 1+2\times 14+4\times 1}\times 100=\frac{28}{60}\times 100=46.7\%$

3. $NH_4NO_3$

$\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} NH_4NO_3}=\frac{14\times 2}{14\times 2+16\times 3+4\times 1}\times 100=\frac{28}{80}\times 100=35\%$

4. $(NH_4)_2SO_4$

$\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of}(NH_4)_2SO_4}=\frac{14\times 2}{14\times 2+16\times 4+32\times 1+8\times 1}\times 100=\frac{28}{132}\times 100=21.2\%$

Thus $NH_3$ has highest nitrogen content of 82.4%.

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3 years ago