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Naddik [55]
3 years ago
12

Can someone help me with this chem question?

Chemistry
2 answers:
pickupchik [31]3 years ago
7 0

Answer:

Malleable

Explanation:

IceJOKER [234]3 years ago
7 0
Answer:

C - Good thermal insulator

Explanation:

Metals are ductile, malleable, and are good electrical conductors. They are also good conductors of heat, but that doesn’t mean they make good thermal insulators.
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At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. What partial pressur
fenix001 [56]

At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. 4.25 atm is the  partial pressure of He would give a solubility of 0.200 M.

<h3>What is Henry's Law ?</h3>

Henry's Law is a gas law states that at a constant temperature the amount of gas that dissolved in a liquid is directly proportional to the partial pressure of that gas.

<h3>What is relationship between Henry's Law constant and Solubility ?</h3>

The solubility of gas is directly proportional to partial pressure.

It is expressed as:

S_{\text{gas}} = K_{H} P_{\text{gas}}

where,

S_{\text{gas}} = Solubility of gas

K_{H} = Henry's Law constant

P_{\text{gas}} = Partial pressure of gas

Now put the values in above expression we get

S_{\text{gas}} = K_{H} P_{\text{gas}}

0.080M = K_{H} × 1.7 atm

K_{H} = \frac{0.080\ M}{1.7\ \text{atm}}

      = 0.047 M/atm

Now we have to find the partial pressure of He

S_{\text{gas}} = K_{H} P_{\text{gas}}

0.200 M = 0.047 M/atm × P_{\text{gas}}

P_{\text{gas}} = \frac{0.200 M}{0.047\ \text{M/atm}}

       = 4.25 atm

Thus from the above conclusion we can say that At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is 1.7 atm. 4.25 atm is the  partial pressure of He would give a solubility of 0.200 M.

Learn more about the Henry's Law here: brainly.com/question/23204201

#SPJ4

3 0
1 year ago
What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution?
Maslowich

Answer:

  • Option B, 0.0409 M

Explanation:

<u>1) Data:</u>

a) M = ?

b) n = 0.400 mol

V = 9.79 liters

<u>2) Formula:</u>

  • M = n / V (in liters)

<u>3) Solution:</u>

  • M = 0.400 mol / 9.79 liter = 0.04086 M

  • Since each data contain 3 significant digits, the answer must be reported with 3 significant digits. So, the correct answer is 0.0409 M, which is the option B.
8 0
3 years ago
What is the definition of electron orbital?
Vlada [557]
A function describing the location and wave-like behavior of an electron in an atom.
8 0
1 year ago
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The nucleus of isotope A of an element has a larger mass than isotope B of the same elemen
konstantin123 [22]

Answer:

B

Explanation:

since isotopeA has bigger mass number

7 0
3 years ago
Hi! Which of the following decreases kinetic energy of solvent molecules? ( I need this handed in quickly!)
Black_prince [1.1K]

Answer:

c

Explanation:

4 0
3 years ago
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