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Anettt [7]
3 years ago
14

4. ÁREA: Un fabricante de veleros está trabajando un velero donde el cliente le pidió

Chemistry
1 answer:
Oxana [17]3 years ago
3 0

Answer:

if you read this you will die in 24 hours if you dont repost

Explanation:

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Consider separate samples of water and carbon dioxide, each with the same mass. Which contains the greater number of molecules?
Ahat [919]

Answer: The sample that contains the greater number of molecules is water.

Explanation: To calculate the number of molecules, it is used the Avogadro's number ( 6.02*10^{23} particles/molecules). So, considering that the mass to water and carbon dioxide is 1g (it can be any other number), the relationship between moles and molar weight is:

moles =\frac{mass}{molar weight}

To water: moles = \frac{1g}{18 g/mol} = 0.05 moles.

Therefore,

1 mol ---- 6.02*10^{23} molecules

0.05 moles ---- x

x = 0.30*10^{23} molecules of water.

To carbon dioxide: moles = \frac{1g}{44 g/mol} = 0.02 moles.

Therefore,

1 mol ---- 6.02*10^{23} molecules

0.02 moles ---- y

y = 0.12*10^{23} molecules of carbon dioxide.

7 0
3 years ago
During which stage of the cell cycle dies the cell condense chromosomes and break down the nuclear envelope
saveliy_v [14]

Answer:

Prophase

Explanation:

During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.

5 0
3 years ago
If the amount of dissolved solute in a solution at a given temperature is greater than the amount that can permanently remain in
Aleks04 [339]

that temperature is saturated.

4 0
3 years ago
Observe: Set up the Gizmo to observe freezing. What do you notice about the temperature while the water is in the process of fre
kaheart [24]

Answer:

In cases where the water freezes, a release of energy occurs to the environment, therefore energy is lost, and it begins to "cool down".

The term cooling in chemical science today is not well seen since it is not considered that this exists, but would be replaced by the term "absence or loss of heat".

It is considered that a body cools when its temperature decreases, and if it continues to decrease as in the case of water, a point will reach the freezing point, which in this case that of water is 0 degrees Celsius, therefore when the cooling overcomes this thermal barrier the water solidifies "freezing"

Explanation:

In the case of pure water (H2O), the freezing point is 0 ° C. This means that, as long as it is at a temperature above 0ºC and below 100ºC (since that is its boiling point), the water will be in a liquid state.

8 0
3 years ago
In an endothermic reaction...
kondaur [170]

Answer:

to hard im only in year 8

Explanation:

6 0
3 years ago
Read 2 more answers
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