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schepotkina [342]
3 years ago
11

What volume will 3.50 mol of ammonia gas occupy at conditions of standard temperature and pressure?

Chemistry
1 answer:
Rzqust [24]3 years ago
8 0

Answer:

Q:

What volume will 3.50 mol of Xe gas occupy at STP?

A:

78.4 L

Explanation:

You might be interested in
Are moles inversely related to volume
astraxan [27]

Answer:

yes

Explanation:

A law that states that at constant temperature, the volume of a fixed amount of a gas is inversely proportional to its pressure. ... A law that states that at constant temperature and pressure, the volume of a sample of gas is directly proportional to the number of moles of gas in the sample.

5 0
4 years ago
Iodine-131 is a radioactive isotope that is used in the treatment of cancer of the thyroid. The natural tendency of the thyroid
Finger [1]

Answer:

a) Binding Energy = 1084.266 MeV

b) Binding energy per nucleon = 8.28 MeV

Explanation:

Binding Energy, BE = \triangle M * 931.5

Where ΔM = Mass defect of Iodine-131

The mass of iodine-131 = 130.906124 u.

Number of protons in Iodine-131 = 53

Number of neutrons in Iodine-131 = 78

Mass of a proton = 1.007276 u

Mass of neutron = 1.008664 u

Total mass of the 53 protons in Iodine-131 = (53*1.007276)

Total mass of the 53 protons in Iodine-131 =  53.39 u

Total mass of the 78 protons in Iodine-131 = (78*1.008664)

Total mass of the 78 protons in Iodine-131 = 78.68 u

\triangle M = (53.39 + 78.68) - 130.906124\\\triangle M = 1.164 u

Binding Energy = 1.164 * 931.5

Binding Energy = 1084.266 MeV

b) Binding Energy per nucleon

The mass of the nucleon of iodine 131 = 130.906124

Binding Energy per nucleon =  1084.266/130.906124

Binding energy per nucleon = 8.28 MeV

5 0
4 years ago
1. What are the rows of the periodic table called and what do they tell us?
Vedmedyk [2.9K]

Answer:

The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.

Each row represents one period; the period number of an element indicates how many of its energy levels house electrons. Sodium, for instance, sits in the third period, which means a sodium atom typically has electrons in the first three energy levels.

Explanation:

7 0
3 years ago
Which substance is a gas at room temperature and atmospheric pressure?
natulia [17]
Ar is a substance that is a gas at room temperature and atmospheric pressure.
8 0
3 years ago
The total number of electrons _______ must equal the total number of electrons ____________.
larisa [96]

Answer:

(not sure if this helps but)

The number of electrons in a neutral atom is equal to its proton.

Explanation:

The number of protons in a neutral atom are equal to its number of protons. It is also equal to its atomic number.

hope it helps :)

7 0
3 years ago
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