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4 years ago

A natural resource that is naturally formed much more slowly than we use it is called

1 answer:

8 0

Natural resources that are formed more slowly than we use it are non-renewable resources such as oil, natural gas, and coal, which are all fossil fuels. The formation of natural resources usually takes billions of years, but their human consumption is occurring at such a rapid speed that we might run out of them soon.

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Explain how the ecosystem that you selected follows the law of conservation of mass and the law of conservation of energy. It is

trasher [3.6K]

In the ocean, light is used by phytoplankton in order to produce sugar. 10% of the energy from the sun is available to the zooplankton that eat the phytoplankton, the rest of the energy is lost as heat or through powering body building/functions/reproduction. Whatever eats the zooplankton receives 10% of that energy in order to grow

3 0

4 years ago

The change in momentum experienced by a object is equivalent to the...

ivanzaharov [21]

Answer is: c. impulse acting on the object.

Momentum is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction in three-dimensional space.

The impulse-momentum change equation: F· t = m · Δ v.

The impulse experienced by the object equals the change in momentum of the object.

7 0

4 years ago

Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s)↽−−⇀CS2(g)????c=9.40 at 900 K Ho

Maru [420]

Answer : The mass of $CS_2$ is, 555.028 grams

Explanation :

First er have to calculate the concentration of $S_2$ .

$\text{Concentration of }S_2=\frac{\text{Moles of }S_2}{\text{Volume of solution}}=\frac{8.08mole}{5.35L}=1.51mole/L$

Now we have to calculate the concentration of $CS_2$ .

The given balanced chemical reaction is,

$S_2(g)+C(s)\rightleftharpoons CS_2(g)$

Initial conc. 1.51 0 0

At eqm. conc. (1.51-x) (x) (x)

The expression for equilibrium constant for this reaction will be,

$K_c=\frac{[CS_2]}{[S_2]}$

Now put all the given values in this expression, we get :

$9.40=\frac{x}{(1.51-x)}$

By solving the term 'x', we get :

x = 1.365 M

Concentration of $CS_2$ = x M = 1.365 M

Now we have to calculate the moles of $CS_2$ .

$\text{Moles of }CS_2=\text{Concentration of }CS_2}\times \text{Volume of solution}=1.365mole/L\times 5.35L=7.303mole$

Now we have to calculate the mass of $CS_2$ .

Molar mass of $CS_2$ = 76 g/mole

$\text{Mass of }CS_2=\text{Moles of }CS_2}\times \text{molar mass of }CS_2}=7.303mole\times 76g/mole=555.028g$

Therefore, the mass of $CS_2$ is, 555.028 grams

3 0

4 years ago

The number of neutrons in an atom affects the atomic what of the atom?

Zigmanuir [339]

The number of neutrons in a nucleus affects the mass of the atom but not its chemical properties. Thus, a nucleus with six protons and six neutrons will have the same chemical properties as a nucleus with six protons and eight neutrons, although the two masses will be different.

8 0

4 years ago

Which subatomic particle has a positive charge? Question 1 options:

Alla [95]

Protons have a positive charge. The answer is C.

8 0

3 years ago