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4 years ago

Which statement accurately describes what happens when water turns to stream in terms of energy?

2 answers:

6 0

C. The water absorbs energy which causes the water molecules to have more kinetic and potential energy, changing their configuration from a liquid to a gas.

I took the quiz and this is the correct answer

-Dominant- [34]4 years ago

3 0

When water turns to steam,

D) the water absorbs energy which causes the water molecules to have more kinetic and potential energy changing their configuration from a liquid to a gas.

Hope this helps! :)

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SELECT THE STATEMENT ABOUT ELECTRONS AND ATONS THAT IS TRUE 1.EACH ORBITS HOLDS A FIXED NUMBER OF ELECTRONS 2.THE N=1 ORBIT CAN

mel-nik [20]

1. <span>EACH ORBITS HOLDS A FIXED NUMBER OF ELECTRONS </span>

7 0

3 years ago

Which gas will effuse at the rate closest At a particular pressure and temperature, nitrogen gas effuses at the rate of 79mLs. U

Contact [7]

Answer : The rate of effusion of sulfur dioxide gas is 52 mL/s.

Solution :

According to the Graham's law, the rate of effusion of gas is inversely proportional to the square root of the molar mass of gas.

$R\propto \sqrt{\frac{1}{M}}$

or,

$(\frac{R_1}{R_2})=\sqrt{\frac{M_2}{M_1}}$ ..........(1)

where,

$R_1$ = rate of effusion of nitrogen gas = $79mL/s$

$R_2$ = rate of effusion of sulfur dioxide gas = ?

$M_1$ = molar mass of nitrogen gas = 28 g/mole

$M_2$ = molar mass of sulfur dioxide gas = 64 g/mole

Now put all the given values in the above formula 1, we get:

$(\frac{79mL/s}{R_2})=\sqrt{\frac{64g/mole}{28g/mole}}$

$R_2=52mL/s$

Therefore, the rate of effusion of sulfur dioxide gas is 52 mL/s.

4 0

3 years ago

Why is granite better then marble for a statue in a city centre

nasty-shy [4]

Granite is stronger, and it doesn't grow mold in the rain. It also looks better than marble and is easier to carve.

5 0

3 years ago

Read 2 more answers

Describe how the organelles in a cell work together to keep an organism alive

vodomira [7]

Answer:

These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA. ... All of the cell's organelles must work together to keep the cell healthy.

Explanation:

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4 years ago

Which pair of elements do you expect to be most similar in their chemical properties? a. AgAg and KrKr b. OO and SS c. PbPb and

Taya2010 [7]

Answer: Option (b) is the correct answer.

Explanation:

Chemical properties are defined as the properties which tend to chemical composition of a substance. Neutral elements with similar number of valence electrons tend to show similar chemical properties as these have same reactivity which actually affects their chemical properties.

This means that elements of the same group tend to show similar chemical properties.

For example, oxygen and sulfur atom are both group 16 elements and they have 6 valence electrons. Therefore, they show similar chemical properties.

Thus, we can conclude that a pair of O and S elements is expected to be most similar in their chemical properties.

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3 years ago