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Zina [86]
3 years ago
15

20 PTS SHOW ALL WORK AND EXPLAIN PLZ What is the molar mass of chlorine gas?

Chemistry
1 answer:
Anastaziya [24]3 years ago
5 0
Chlorine= 35.5 +35.3= 71 a.m.u.
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In the nucleus with the protons together their sum is the
galina1969 [7]

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the nucleus is called the mass number and, expressed in amu, is approximately equal to the mass of the atom

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What is an internal cost of driving a domestic car?
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Answer:

The correct option is: Cost of materials used in manufacture

Explanation:

There are two types of costs of an object: the internal costs and the external costs.

The internal cost of an object is the direct monetized cost. It refers to the cost involved in the <u>production or manufacturing of a given objec</u>t. Example: labor, <u>material required</u>, equipment, energy, and overhead expenses.

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Wine goes bad soon after opening because the ethanol CH3CH2OH dissolved in it reacts with oxygen O2 gas to form water and aqueou
bagirrra123 [75]

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Explanation:

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5 0
3 years ago
What is the Kelvin temperature of the air in a tire if the pressure inside the tire is 188 kPa at 32°C. While driving under peri
DENIUS [597]

Answer:

  • <u>414K</u>

Explanation:

The question is not completely clear because some missing parts or grammar (syntax) errors.

Interpreting it, the question is <em>what is the Kelvin temperatue of the air in a tire, when the pressure in the tire has increased to 225 kPa, if the initial conditions of the air inside the tire were 188kPa of pressure and a temperature of 32ºC.</em>

To solve this, you can assume constant volume and use the law of Gay-Lussac for ideal gases:

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That equation works with absolute temperatures, i.e. Kelvin.

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Then solve for T₂, substitute and compute:

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8 0
3 years ago
Why does pressure change in this way? Select all<br> that apply.
Nataly [62]

Answer:

A. Kinetic energies of molecules increase.

B. Speeds of molecules increase.

C. Number of collisions per second increase.

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