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patriot [66]
3 years ago
8

Which of the following is an example of a renewable energy source? Select the correct answer below. A. oil B. natural gas C. sol

ar D. coal
Chemistry
2 answers:
riadik2000 [5.3K]3 years ago
8 0
The answer is "C" Solar
Tatiana [17]3 years ago
7 0

<u>Answer:</u> The correct answer is Option C.

<u>Explanation:</u>

There are two types of energy sources. They are:

  • <u>Renewable sources of energy:</u> This is defined as the source which does not get depleted or destroyed when they are used. For Example: Wind, solar, geothermal etc..
  • <u>Non-Renewable sources of energy:</u> This is defined as the source which gets depleted or destroyed when they are used. They are present in limited amount. For Example: Coal, natural gas, oil etc..

Hence, the correct answer is Option C.

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A metal stand specifies a maximum load of 450 lb. Will it support an aquarium that weighs 59.5 lb and is filled with 37.9 L of s
DedPeter [7]

First solve the mass of 37.9 L seawater

M = 37.9 L ( 1000 ml / 1L ) ( 1.03 g / ml)

M = 39037 g

Then convert it to lb

M = 39037 g ( 1 lb / 453.592 g)

M = 86.06 lb

<span>Total weight = 86.06 lb + 59.5 lb = 145.56 lb so it can support the aquarium</span>

5 0
2 years ago
A 10.0 g pat of butter raise the water level in a graduated cylinder by 11.6 mL. What is the density of the butter
Nina [5.8K]

- formula for density is mass divided by volume

therefore density of butter = 10.0g divided by 11.6ml = 0.8620689 g/cm³ ≈ 0.862 g/cm³ (3sf)

8 0
3 years ago
Two objects of the same mass are moving at the same velocity. You give
vladimir1956 [14]
I would imagine they’d be equal.
F = ma
We can treat mass and force as constants because they do not change throughout both systems and they are the same on both systems. That would mean the acceleration would be the same for both systems.

An explanation of this could be the two forces are acting in different directions, so one is positively accelerating the object and the other is negatively accelerating it
3 0
3 years ago
When a polypeptide is in its native conformation,there are weak interactions between its R groups. However, when it is denatured
Marina86 [1]

Answer:

In the unfolded polypeptide, there are ordered solvation shells of water around the protein

groups. The number of water molecules involved in such ordered shells is reduced when the protein

folds, resulting in higher entropy. Hence, the lower free energy of the native conformation.

Explanation:

4 0
3 years ago
Which of the following gases would have the greatest kinetic energy at 300 K?
tekilochka [14]

Answer:

D. All of them would have the same kinetic energy

Explanation:

The expression for the kinetic energy of the gas is:-

K.E.=\frac{3}{2}\times K\times T

k is Boltzmann's constant = 1.38\times 10^{-23}\ J/K

T is the temperature

<u>Since, kinetic energy depends only on the temperature. Thus, at same temperature, at 300 K, all the gases which are N_2,\ NH_3\ and\ Ar will posses same value of kinetic energy.</u>

4 0
2 years ago
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