All categories

3 years ago

Would it be D?? I have no idea how to read this chart..graph..i don’t even know what this is called..help!

Chemistry

1 answer:

Genrish500 [490]3 years ago

3 0

Answer:

D - water changes from a

Explanation:

You're correct!

We are asked what happens when the pressure changes from 0 atm to 10 atm at 0C.

If we look at the graph at 0C on the x axis and at 0 atm on the y axis, we can see we are in the yellow area of the graph, so the water starts at a gas.

If we keep the temperature the same, but change the pressure to 10 atm (much higher on the y axis) we are in the blue area, so the water is now a liquid. Therefore, D is correct

You might be interested in

Scientists are studying cold and dry environments on earth that are like the environment on Mars. What kind of prokaryotes do yo

FinnZ [79.3K]

The answer is; extremophiles

These organisms are found in places on earth that would be damaging to most life on earth. There are different categories of extremophiles depending on their environment. For example, those that live in the extreme cold (even below 150C ) are called Psychrophiles while Xerophiles live extreme desiccation.

7 0

3 years ago

Read 2 more answers

Please help I’m torn between A and B. I’ve asked many and people say A, but I asked my science teacher and she said B. And also

astraxan [27]

If your science teacher says B, it’s probably because water has a negative and positive end, heat is just a form of energy, as other atoms can’t leave (they’re attracted to the ends) they are being insulated; but notice that ice will melt into gas (where atoms have tons of space) for other atoms to escape. Hence ice and gas aren’t ideal. (Air is a gas here.)
It’s not a 100% but hopefully it helps with some kind of analogy.

4 0

4 years ago

tester [92]

Some of the similarities between weather and climate include how both refer to temperature and how they are not always the same everywhere. In addition, the weather and climate intersect in various ways, for example the climate dictates the weather in various locations.

5 0

3 years ago

Passing an electric current through a sample of water (H2O) can cause the water to decompose into hydrogen gas (H2) and oxygen g

Tema [17]

<u>Answer:</u> The mass of water that must be reacted is 56.28 grams.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ ....(1)

Given mass of oxygen = 50 g

Molar mass of oxygen = 32.00 g/mol

Putting values in equation 1, we get:

$\text{Moles of oxygen}=\frac{50g}{32g/mol}=1.5625mol$

For the given chemical equation:

$2H_2O\rightarrow 2H_2+O_2$

By Stoichiometry of the reaction:

1 mole of oxygen is produced when 2 moles of water is reacted.

So, 1.5625 moles of oxygen is produced when = $\frac{2}{1}\times 1.5625=3.125mol$ of water is reacted.

To calculate the mass of water, we use equation 1:

Moles of water = 3.125 moles

Molar mass of water = 18.01 g/mol

Putting values in equation 1, we get:

$3.125mol=\frac{\text{Mass of water}}{18.01g/mol}\\\\\text{Mass of water}=56.28g$

Hence, the mass of water that must be reacted is 56.28 grams.

3 0

4 years ago

Which of the following is the ground state electron configuration of Ni?

Damm [24]

Answer:

Nickel atoms have 28 electrons and the shell structure is 2.8. 16.2. The ground state electron configuration of ground state gaseous neutral nickel is [Ar]. 3d8.

Explanation:

3 0

3 years ago