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lyudmila [28]
4 years ago
5

Which of the following gives the correct possible values of l for n = 4?

Chemistry
2 answers:
Andreas93 [3]4 years ago
8 0

Answer: The correct answer is the first option.   0, 1, 2, 3

Explanation:

Delicious77 [7]4 years ago
7 0
The answer to your question is a 12

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The exponents in the rate law of an elementary step are always equal to the coefficients of each species in the balanced reactio
Naya [18.7K]

Answer:

True

Explanation:

True. Since in an elementary step , the reaction procedes by collision of the atoms of reactants involved and since the rate of collision is proportional to the concentration of each atom that participates in the elementary step , the exponents in the rate law of the elementary step always coincides with the coefficients that correspond to that reaction ( regardless if is unimolecular, bimolecular or trimolecular).

7 0
3 years ago
The average molecular speed in a sample of Ar gas at a certain temperature is 391 m/s. The average molecular speed in a sample o
adoni [48]

Answer:

550 m/s

Explanation:

The average molecular speed (v) is the speed associated with a group of molecules on average. We can calculate it using the following expression.

v = \sqrt{\frac{3 \times R \times T}{M} }

where,

  • R: ideal gas constant
  • T: absolute temperature
  • M: molar mass of the gas

We can use the info of argon to calculate the temperature for both samples.

T = \frac{v^{2} \times M}{3 \times R} = \frac{(391m/s)^{2} \times 39.95g/mol}{3 \times 8.314J/k.mol} = 2.45 \times 10^{5} K

Now, we can use the same expression to find the average molecular speed in a sample of Ne gas.

v = \sqrt{\frac{3 \times R \times T}{M} } = \sqrt{\frac{3 \times (8.314J/k.mol) \times 2.45 \times  10^{5}K }{20.18g/mol} } = 550 m/s

7 0
3 years ago
Our universe is made up of at least a
Serggg [28]
Stars, milk, and fruits
7 0
4 years ago
2. Soil is made of <br> A. air<br> B. rocks<br> C. decomposed leaves<br> D. all of the above
Irina18 [472]

Answer:

B

Explanation:

<h2>Soil is a mixture of </h2><h2 /><h2>tiny particles of rock,</h2>

<h2>dead plants and animals </h2>

<h2>,air and water.</h2>
3 0
3 years ago
Read 2 more answers
How many grams of hydrogen gas would be needed to form 8.0 grams of water? H2+O2=H2O
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16 atoms of hydrogen and 8 atoms of oxygen
6 0
3 years ago
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