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Romashka-Z-Leto [24]
2 years ago
13

Describe your results. How close to the real value was your calculated value?

Chemistry
1 answer:
MatroZZZ [7]2 years ago
6 0

Animals with larger weights compensate for the large force they exert on the ground, by having a large footprint area in order to reduce the pressure of their feet on the ground.

<h3>Why do animals with large weight have large feet?</h3>

Large animals such as elephants, lions, hippopotamus, etc, usually have a large foot print area compared to smaller animals.

This larger footprint area helps to support their weight.

The weight of these animals exerts a force as well as pressure on the ground.

Pressure, force and area are related by the equation below:

  • Pressure = Force/Area

The larger the area, the smaller the pressure.

In order to compensate for the large force they exert on the ground, larger animals possess a large footprint area in order to reduce the pressure of their feet on the ground.

Learn more about force, pressure and area at: brainly.com/question/8033367

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What is solubility curves​
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Answer:

Explanation:

A solubility curve is a graph of solubility, measured in g/100 g water, against temperature in °C. Solubility curves for more than one substance are often drawn on the same graph, allowing comparisons between substances

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sweet-ann [11.9K]

Answer:lmk when u have the answer

Explanation:

6 0
3 years ago
How much heat is required to change 100 g of ice (H2O) at 253 K to vapor (steam) at 393 K?
soldier1979 [14.2K]

<u>Answer:</u> The heat required will be 58.604 kJ.

<u>Explanation: </u>

To calculate the amount of heat required, we use the formula:

Q= m\times c\times \Delta T

Q= heat gained  or absorbed = ? J

m = mass of the substance = 100 g

c = heat capacity of water = 4.186 J/g ° C

Putting values in above equation, we get:

\Delta T={\text{Change in temperature}}=(393-253)K=140K=140^oC

Q=100g\times 4.186J/g^oC\times 140^oC

Q = 58604 Joules  = 58.604 kJ     (Conversion factor: 1 kJ = 1000J)

Thus, heat released by 100 grams of ice is 58.604kJ.

3 0
4 years ago
Which skier will have a greater potential energy? Justify your answer.
pochemuha

Answer: Skier 1 will have more potential energy because he is higher than skier 2

Explanation: Gravitational potential energy is the energy possessed by a body by virtue of its position or height.

P.E=m\times g\times h

m= mass of the body

g= acceleration due to gravity

h= height of body

Thus if the masses of two bodies are same, the one with greater height possess greater potential energy.

6 0
4 years ago
What gas makes up close to 1/4 of the air surronding the earth?
Olegator [25]
The answer is hydrogen. the first element in the periodic table.
4 0
3 years ago
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