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3 years ago

BRAINLIESTTT ASAP!! PLEASE HELP ME :) Relate temperature and molecular motion.

Chemistry

1 answer:

Marina CMI [18]3 years ago

4 0

higher temp=faster motion

lower temp=slowed motion

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Inessa [10]

Answer:

methane + oxygen → carbon dioxide + water

Explanation:

methane + oxygen → carbon dioxide + water

5 0

3 years ago

Please Help I will reward brainliest

Anuta_ua [19.1K]

The answer would be an unpredictable rate

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3 years ago

11. Which of the following is a characteristic of all chemical changes? *

Shtirlitz [24]

Answer:

Explanation:

A new Material is formed.

Basically, Chemical changes differ from Physical changes because in chemical changes, Substances have the ability to become a different substance.

Example:

Water to ice is a physical change because it is still water despite being a solid from liquid.

A Magnesium strip placed in CuSO4 solution made the Mg strip turn into a new substance which is MgSO4. this is a Chemical change because Mg has now become a different substance called MgSO4.

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2 years ago

Interstellar space has an average temperature of about 10 K , and an average density of hydrogen atoms of about one hydrogen ato

Bas_tet [7]

Answer:

$2.2508\times 10^{19} m$ meter the mean free path of hydrogen atoms in interstellar space.Explanation:

The mean free path equation is given as:

$\lambda =\frac{1}{\sqrt{2}\pi d^2 n}$

Where"

d = diameter of hydrogen atom in meters

n = number of molecules per unit volume

We are given: d = 100 pm = $100\times 10^{-12}= 10^{-10} m$

$n = 1 m^{-3}$

$\lambda =\frac{1}{\sqrt{2}\pi (10^{-10} m)^2\times 1 m^{-3}}$

$\lambda =2.2508\times 10^{19} m$

$2.2508\times 10^{19} m$ meter the mean free path of hydrogen atoms in interstellar space.

7 0

3 years ago

On Earth, the three most common states of matter are Solid, Liquid, and Gas.

julsineya [31]

TRUE you are correct but the earth is also made up of papyrus, an element.

3 0

3 years ago

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