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faust18 [17]
3 years ago
11

Which statement describes steps involved in the production of hydroelectric power?

Chemistry
1 answer:
irina [24]3 years ago
3 0
A. Falling water turns a turbine that helps generate electricity
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When adding one atom has 20 protons and a mass of 44. another atom has 20 protons and a mass number of 40. what is the identity
melomori [17]
These atoms are isotopes, they have the same number of protons which means the atoms are of the same ELEMENT, but they have different numbers of neutrons.
4 0
3 years ago
A scientist is studying the effect of climate change on a population of fur seals living on an island off the coast of Alaska. F
solniwko [45]

Answer:

A

Explanation:

The only factor that would not decrease the carrying capacity of the fur seal's environment is the population of predators.

<em>The carrying capacity is defined as the maximum number of individuals of a species an environment can sustain based on the resources available. Hence,   only a fluctuation in the resources available in the environment of the fur seal can affect the carrying capacity. </em>

<u>Pollution </u>and <u>destruction of the habitat of the fur seal</u> would limit the resources available to the animals and as such, limit the carrying capacity. A <u>fluctuation in the population of prey available</u> for the population of fur seals would also affect the carrying capacity.

The only factor that has no bearing on the carrying capacity of the fur seal's environment is the population of predators. Predators have the capacity to reduce the population of fur seals but not affect the carrying capacity for fur seals.

The correct option is, therefore, A.

3 0
3 years ago
A gas has a volume of 4 liters at 50 oC. What will its volume be (in liters) at 100oC
san4es73 [151]

Answer:

The volume of the gas at 100°C is 4.6189 liters.

Explanation:

For this problem we are going to use Charles' law. Charles' law states that the volume is directly proportional to temperature given that the pressure is constant. In order to use the equation, the unit of temperature should be in Kelvin.

The working equation is:

=

where V1 and T1 are the initial volume and temperature while V2 and T2 are the final conditions.

Let us convert first the temperatures before solving for the final volume.

To convert Celsius to Kelvin just add 273.15 to temperature in Celsius.

50°C + 273.15 = 323.15 K

100°C + 273.15 = 373.15 K

Solving for the final volume:

V₂ =

V₂ =

V₂ = 4.6189 L

Therefore the final volume of the gas at 100°C is 4.6189 L.

Explanation:

5 0
3 years ago
A fault is a break in the rocks of the Earth's crust. A fault is formed due to the movement of rock on either side of the fault.
SVEN [57.7K]

Answer:

Ola tudo bem??

Meu nome é Ana Kesia, e o seu?

Foi mal, Nn consegui responder sua pergunta!

Mais mesmo assim obrigada pelos pontos!

Qualquer dúvidas estou aqui para ajudar!

Boa tarde, Tchau.

4 0
3 years ago
Question 15 need this answered asap (chemistry)
Tcecarenko [31]

Answer:

80.7 L

Explanation:

PV = nRT

P = 1520 mmHg = 2 atm

n = 5 mol

R = 0.08206 (L * atm)/(mol * K)

T = 393.15 K

2 (V) = 5 (0.08206) (393.15)

V ≈ 80.7 L

8 0
3 years ago
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