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Schach [20]
3 years ago
7

*Please Help!

Physics
1 answer:
Ierofanga [76]3 years ago
8 0
We calculate by using the equation as follows:

Free Energy = DeltaG 

<span>The formula is DeltaG = Enthalpy - (Temperature)*(Entropy) </span>

<span>DeltaG = 1.25 * 10^5 J - (290)(300) </span>

<span>DeltaG or Free Energy = 38000 J/mol or 38kJ/mol. </span>

<span>This means that this system is not spontaneous at 290 K
</span>
Hope this answers the question. Have a nice day.
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If a rock has a density of 2g/cm³ and a volume of 8cm³, what is its mass?
Yakvenalex [24]
Density=mass÷volume
mass=density×volume
mass=2×8=16 g
3 0
3 years ago
You throw a ball upwards at 22.0 m/s how high will it go?
Alex

Answer:

Time to reach maximum height can be obtained from v=u+at

0=20+(−10)t

t=2s

s=ut+0.5at

2

=20(2)+0.5(−10)(2)

2

=20m

Thus, total distance for maximum height is 45 m

s=ut+0.5at

2

45=0+0.5(10)(t ′ )

2

t

′

=3s

Total time= 3+2= 5s

Explanation:

TAKE 22.0 IN PLACE OF 20 U WILL GET YR ANSWER

HOPE IT HELPS

3 0
3 years ago
Station 1: Sierra is running in a school track
timofeeve [1]

Answer:

The body systems that work together to maintain the energy Sierra needs are;

The digestive system, the respiratory system, and the circulatory system

Explanation:

Cellular respiration in the body cells require oxygen to produce energy which are used by the muscles and other body cells. Carbon dioxide is also produced and is the build up of carbon dioxide has to be removed from the body as the by product of cellular respiration which is toxic at the cell level

Therefore, the body systems that work together to maintain the energy Sierra needs are;

The digestive system; Takes in the energy containing food and brakes them into chemicals that are transported to the cells for cellular respiration

The respiratory system; Takes in oxygen and removes carbon dioxide from the blood from and to the atmosphere

The circulatory system; Supplies food and oxygen from the digestive and respiratory system to the cells and transports produced carbon dioxide from the cells to the lungs from where it is passed out of the body by th respiratory system.

4 0
3 years ago
If we use a 10cm converging lens instead of a 5cm converging lens, would the first point at which the image focuses (as you slid
maks197457 [2]

Answer:

first point at which the image focuses will be closer

Explanation:

given data

converging lens = 10 cm

converging lens = 5 cm

lens = 5 cm

to find out

would the first point at which the image focuses be closer or farther

solution

we apply here lens formula that is

1/f = 1/u + 1/v   ......................1

so here

v = f × u / u - f

so here for f = 10 cm  v will be

v = 10u / u-10      ..........................2

and

for f = 5 cm v will be

v = 5u / u-5       .     ........................3

now if we compare equation 2 and 3 we can say that

v for f = 5 cm is greater than v for f = 10 cm

so here first point at which the image focuses will be closer

4 0
3 years ago
If you are standing and not moving, which statement is true? You are experiencing an unbalanced force. The normal force is great
viktelen [127]
What’s the question, but your a k pop stan hi
4 0
3 years ago
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