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jasenka [17]
3 years ago
11

According to the phase diagram for water, how is the state of water determined?

Chemistry
2 answers:
katen-ka-za [31]3 years ago
6 0

Answer:

2. read the phase at the intersection of any given temperature and pressure

Explanation:

The phase diagram of water is a chart used to show the physical states of water at different pressures and temperatures. In a typical phase diagram, pressure is plotted against temperature. Water is known to have three states such as solid (ice), liquid (water), and gas (steam). In order to determine the physical state of water on the phase diagram, we just read the phase at the point at which the pressure and temperature values intersect. The correct answer is option (2).

ad-work [718]3 years ago
5 0
I believe it’s 2? Because it’s saying read the temperature. Which is basically saying look at what state the water is in. Ex: hot or cold
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coldgirl [10]

Answer:

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when there is a radical in the denominator, we should rationalize (mutiply the denominator and numerator by the radical) to get rid of the radical in the denominator.

4 0
2 years ago
What is the concentration of bromide, in ppm, if 12.41 g MgBr2 is dissolved in 2.55 L water.
pav-90 [236]

Answer:

concentration of bromide (Br⁻) = 4234 mg/L = 4234 ppm

Explanation:

ppm (parts per million) concentration is defined as the mass (in milligrams) of a substance dissolved in one liter of solution.

In our case we have:

mass of MgBr₂ = 12.41 g

volume of water (which is equal to the final solution volume) = 2.55 L

Now we devise the following reasoning:

if         12.41 g of MgBr₂ are dissolved in 2.55 L of water

then         X g of MgBr₂ are dissolved in 1 L of water

X = (1 × 12.41) / 2.55 = 4.867 g of MgBr₂

if in         184 g (1 mole) of MgBr₂ we have 160 g of Br⁻

then in   4.867 g of MgBr₂ we have Y g of Br⁻

Y = (4.867 × 160) / 184 = 4.232 g of bromide (Br⁻)

4.232 g of bromide (Br⁻) = 4234 mg of bromide (Br⁻)

concentration of bromide (Br⁻) = 4234 mg/L = 4234 ppm

7 0
3 years ago
0.0300 mol of a substance had a mass of 4.50g. The relative formula mass of the substance is
Lunna [17]

Answer:

a

Explanation:

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I hope this right and can help you!
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3 years ago
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