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antoniya [11.8K]

2 years ago

9

The impacts of global warming are being felt and will be felt increasingly in your lifetime. What impacts are likely to be seen

in the next few decades

1 answer:

IceJOKER [234]2 years ago

8 0

Answer:

Hotter climate, more greenhouse gases, and less water

I hope this helps :)

Explanation:

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Is blood a solution ?

qaws [65]

A blood solution is where Blood is a colloidal solution with partial behavior of a suspension! And it belongs to the non-newtonian liquids! VERY IMPORTANT INFO: Colloides do not exist freely! You cannot use a spoon of “colloids” and put it in somewhere.

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2 years ago

What is the overall energy transformation in a coal-fired power plant?.

polet [3.4K]

Answer: When coal is burned, chemical potential energy is transformed into thermal energy, light energy, and sound energy. Only the thermal energy is used for electricity production. Light and sound energy dissipate into the environment, immediately reducing efficiency.

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2 years ago

Based on the kinetic theory, which statement is true?

Effectus [21]

answer is A

The kinetic theory is used to explain the behaviour of gases.

One of the assumptions states that "a gas is composed of a large number of identical molecules moving at different speeds".

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2 years ago

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How are the molecules moving in a cold glass of water compared to in a warm glass of water

taurus [48]

Molecules move faster in a warm glass of water they move slower in a cold glass of water

4 0

2 years ago

Ideal He gas expanded at constant pressure of 3 atm until its volume was increased from 9 liters to 15 liters. During this proce

kkurt [141]

Explanation:

The given data is as follows.

P = 3 atm

= $3 atm \times \frac{1.01325 \times 10^{5} Pa}{1 atm}$

= $3.03975 \times 10^{5} Pa$

$V_{1}$ = 9 L = $9 \times 10^{-3} m^{3}$ (as 1 L = 0.001 $m^{3}$ ),

$V_{2}$ = 15 L = $15 \times 10^{-3} m^{3}$

Heat energy = 800 J

As relation between work, pressure and change in volume is as follows.

W = $P \times \Delta V$

or, W = $P \times (V_{2} - V_{1})$

Therefore, putting the given values into the above formula as follows.

W = $P \times (V_{2} - V_{1})$

= $3.03975 \times 10^{5} Pa \times (15 \times 10^{-3} m^{3} - 9 \times 10^{-3} m^{3})$

= 1823.85 Nm

or, = 1823.85 J

As internal energy of the gas $\Delta E$ is as follows.

$\Delta E$ = Q - W

= 800 J - 1823.85 J

= -1023.85 J

Thus, we can conclude that the internal energy change of the given gas is -1023.85 J.

8 0

2 years ago