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coldgirl [10]
3 years ago
7

What are the numbers of neutrons in hydrogen

Chemistry
1 answer:
REY [17]3 years ago
6 0

Answer:

Hydrogen has 0 neutrons.

Explanation:

You can find the # of neutrons by subtracting the Atomic Mass from the Atomic number. Hydrogen is a special case in which the atom has no neutrons.

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A 1.50 liter flask at a temperature of 25°C contains a mixture of 0.158 moles of methane, 0.09 moles of ethane, and 0.044 moles
jok3333 [9.3K]

This can be solved using Dalton's Law of Partial pressures. This law states that the total pressure exerted by a gas mixture is equal to the sum of the partial pressure of each gas in the mixture as if it exist alone in a container. In order to solve, we need the partial pressures of the gases given. Calculations are as follows:<span>

P = P1 + P2 + P3
<span>P = (0.08206 atm.L/mol.K)( 298.15 K)/1.50) x (0.158 mole + 0.09 mol + 0.044 mol) = <span>4.76 atm</span></span></span>

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3 years ago
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A sample of gas kept at a constant pressure, is heated from 273 k to 373 k. If the initial volume is 3.00 L, what is the new vol
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Answer: 4.10 liters

Explanation:

Given that:

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V1/T1 = V2/T2

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To get the value of Z, cross multiply

3.0L x 373K = 273K x V2

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6 0
3 years ago
.<br> What energy transformations take place when you exercise?
jolli1 [7]
Quema de calorías que son parte de la energía interna de un cuerpo 

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3 years ago
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Answer:

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As you can see, water is the material with the highest specific heat doing the material that requires the most heat.

Right answer:

<h3>D. Water </h3>

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Which does a meandering stream look like?
Norma-Jean [14]
The answer is D.U-shape
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4 years ago
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