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katovenus [111]
3 years ago
5

What happens to the grass molecules when it is eaten by the zebra?

Chemistry
2 answers:
sergejj [24]3 years ago
8 0

Answer/Explanation:

It gets energy from the sun that was inside of the grass.

It happens like this:

Sun gives energy to grass, grass gives energy to zebra.

Sun ---> Grass ---> Zebra

Lubov Fominskaja [6]3 years ago
3 0

<u>Answer:</u>

<u>read below</u>

<u>Explanation:</u>

<u>When the zebra eats grass, it gets energy from the sun that has been stored in the grass. Similarly, the lion obtains energy stored in the zebra. The zebra and lion both obtain the sun's energy indirectly from the energy that the grass obtained through photosynthesis. </u>

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Please help me!! A sample of an unknown metal has a mass of 22.4g. A graduated cylinder contains 3.2 ml of water. After the meta
Firdavs [7]

Answer:

d = 14.9 g/mL

Explanation:

Given data:

Mass of metal = 22.4 g

Volume of eater = 3.2 mL

Volume of water + metal = 4.7 mL

Density of metal = ?

Solution:

Volume of metal:

Volume of metal = volume of water+ metal - volume of water

Volume of metal = 4.7 mL - 3.2 mL

Volume of metal = 1.5 mL

Density of metal:

d = m/v

d = 22.4 g/ 1.5 mL

d = 14.9 g/mL

6 0
3 years ago
The vapor pressure of liquid iodomethane, CH3I, is 40.0 mm Hg at 249 K.A sample of CH3I is placed in a closed, evacuated contain
lora16 [44]

Explanation:

It is given that vapor pressure of liquid iodomethane is 40.0 mm Hg. So, if we calculate the vapor pressure according to the given values and if its value will be greater than the the given vapor pressure of iodomethane then it means that some of the vapors has converted into liquid state.

As the given values are as follows.

      P_{1} = 72.0 mm Hg,       T_{1} = 404 K

      P_{2} = ? ,               T_{2} = 249 K

As volume is constant so, according to Gay-Lussac's law pressure is directly proportional to temperature.

                      P \propto T         (at constant volume)

or,                    \frac{P}{T} = k

Therefore, the formula to calculate the value of P_{2} is as follows.

              \frac{P_{1}}{T_{1}} = \frac{P_{2}}{T_{2}}

            \frac{72.0 mm Hg}{404 K} = \frac{P_{2}}{249 K}

                 P_{2} = 44.37 mm Hg

As calculated vapor pressure is more than the given vapor pressure. Hence, the liquid will convert into gas.

As a result, no condensation will occur and only vapors of iodomethane will be present.

5 0
3 years ago
What is the process where a liquid changes from its liquid state to a gaseous state?
Mars2501 [29]
When a liquid goes from a liquid state to a gaseous state it is called evaporation
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JulijaS [17]

Answer:

Explanation:

no

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Explanation:

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