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3 years ago

A certain geothermal power station has a power output of 200,000W.

Physics

1 answer:

Ne4ueva [31]3 years ago

5 0

Answer:4800 kWh

Explanation:

Given

Power output of station =2,00,000 W or 200 kW

because 1 kW=1000 W

For 24 hours, it will generate $200\times 24=4800\ kWh$

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What is the equilibrium constant for the following reaction at 25 °c?

sdas [7]

The equilibrium constant for the provided reaction at the temperature of 25 degree Celsius is 1/20.

<h3>What is equilibrium constant?</h3>

The equilibrium constant in a chemical reaction is the reaction quotient when the chemical reaction is at equilibrium constant.

The equilibrium constant for the for reaction at 25 °c given in the problem as,

$2A\rightleftharpoons B+C, K_1=1.0 \\2B\rightleftharpoons C+D, K_2=16 \\2C+D\rightleftharpoons 2P, K_3=25 \\$

Now, the reaction for which the equilibrium constant at 25 °c has to be find out is,

$P\rightleftharpoons A+\dfrac{1}{2}B$

$K_4=\sqrt{\dfrac{1}{K_1}+\dfrac{1}{K_2}+\dfrac{1}{K_3}}\\K_4=\sqrt{\dfrac{1}{25}+\dfrac{1}{16}+\dfrac{1}{1}}\\K_4=\dfrac{1}{20}$

Thus, the equilibrium constant for the provided reaction at the temperature of 25 degree Celsius is 1/20.

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2 years ago

A worker at the top of a 588-m-tall television transmitting tower accidentally drops a heavy tool. If air resistance is negligib

liq [111]

The final velocity of the tool is 107.4 m/s

Explanation:

We can solve this problem by using the principle of conservation of energy.

In fact, if air resistance is negligible, the total mechanical energy of the tool is conserved during the fall, so we can write:

$K_i + U_i = K_f + U_f$

where

$K_i = 0$ is the kinetic energy of the tool at the top (zero since it is at rest)

$U_i = mgh$ is the gravitational potential energy of the tool at the top, where

m is the mass of the tool

g is the acceleration of gravity

h is the heigth of the tool

$K_f = \frac{1}{2}mv^2$ is the kinetic energy of the tool just before hitting the ground, where

v is the final speed of the tool

$U_f = 0$ is the gravitational potential energy of the tool at the bottom (zero since the height is zero)

Re-arranging the equation,

$mgh=\frac{1}{2}mv^2$

where we have

$g=9.8 m/s^2\\h=588 m$

And solving for v,

$v=\sqrt{2gh}=\sqrt{2(9.8)(588)}=107.4 m/s$

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3 years ago

Iron has more mass than gold. Does this mean that the density of iron is greater

kicyunya [14]

I think it does mean that yeah

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3 years ago

Read 2 more answers

Help please!!!

TiliK225 [7]

Answer:

Cu 8.92

Explanation:

The formula for density is mass/volume. If you were to divide 62.44 by 7, you would get 8.92. Since copper is the only metal in this table that has a density of 8.92, that is the answer.

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3 years ago

Which items are matter? Pick multiple

AleksAgata [21]

Answer:

maybe phone cause matter is a solid liquid or gad

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3 years ago