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atroni [7]
3 years ago
12

What properties does Chlorine have on its own?

Chemistry
1 answer:
natulia [17]3 years ago
4 0

Answer:

When isolated as a free element, chlorine takes the form of a greenish-yellow gas, which is 2.5 times heavier than air and smells like bleach. Chorine is the second-most-abundant halogen and the second-lightest halogen on Earth, after fluorine

Explanation:

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Two scientists, Tara and Victor, work in the same scientific field of study. Victor asks Tara to review a research paper that he
erik [133]

Answer:

Tara does not think that Victor’s predictions are likely.

Explanation:

In order to submit the paper, he would need to be as accurate as he possible can, is Tara told him to do it again, it means that he may have made a few mistakes.

7 0
3 years ago
How many moles of gas occupy 98 l at a pressure of 2.8 atmospheres and a temperature of 292 k?
Furkat [3]
From the ideal gas equation, we know that PV = nRT
where, P = pressure, V = volume occupied, n = number of moles of gas, R = universal gas constant=0.082L atm mol-1 K-1 and T = temperature.
Given: P = 2.8 atm, V = 98 l and T = 292 k.
Therefore n =\frac{PV}{RT} = \frac{2.8 X 98}{0.082 X 292} = 11.46
6 0
3 years ago
An isotope of yttrium has 39 protons and 59 neutrons. what is the atomic mass of that isotope?
Charra [1.4K]
We can define atomic mass the total of number of protons and number of neutrons in an atom or isotope.
<span>So when an isotope of yttrium has 39 protons and 59 neutrons, its atomic mass is equal to;
number of protons + number of neutrons = 39 + 59 = 98</span>
8 0
3 years ago
A solution is prepared by dissolving 27.0 g of urea [(NH2)2CO], in 150.0 g of water. Calculate the boiling point of the solution
andrew11 [14]

<u>Answer:</u> The boiling point of solution is 101.56°C

<u>Explanation:</u>

Elevation in boiling point is defined as the difference in the boiling point of solution and boiling point of pure solution.

The equation used to calculate elevation in boiling point follows:

\Delta T_b=\text{Boiling point of solution}-\text{Boiling point of pure solution}

To calculate the elevation in boiling point, we use the equation:

\Delta T_b=iK_bm

Or,

\text{Boiling point of solution}-\text{Boiling point of pure solution}=i\times K_b\times \frac{m_{solute}\times 1000}{M_{solute}\times W_{solvent}\text{ (in grams)}}

where,

Boiling point of pure water = 100°C

i = Vant hoff factor = 1 (For non-electrolytes)

K_b = molal boiling point elevation constant = 0.52°C/m.g

m_{solute} = Given mass of solute (urea) = 27.0 g

M_{solute} = Molar mass of solute (urea) = 60 g/mol

W_{solvent} = Mass of solvent (water) = 150.0 g

Putting values in above equation, we get:

\text{Boiling point of solution}-100=1\times 0.52^oC/m\times \frac{27\times 1000}{60\times 150}\\\\\text{Boiling point of solution}=101.56^oC

Hence, the boiling point of solution is 101.56°C

5 0
4 years ago
Which characteristic do all owl families share? A.) small eyes B.) large body size C.) nighttime hunting D.) heart-shaped faces
Bond [772]

Answer:

all owl families have nighttime hunting

7 0
2 years ago
Read 2 more answers
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