3 years ago

Please only answer if you are 100% sure it's a major grade. . 35 POINTS

Chemistry

2 answers:

pickupchik [31]3 years ago

6 0

Answer:

Explanation:

since the farther you go out in the atmosphere the temperature decrease and the air pressure drops

Jobisdone [24]3 years ago

5 0

The answer is B. Changes in air pressure and temperature. The changes in air temperature are often influenced by the increase in altitude, where the increase in altitude leads to a decrease in temperature, the same is true for the opposite!

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andreev551 [17]

The average atomic mass of the imaginary element : 47.255 amu

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

Mass atom X = mass isotope 1 . % + mass isotope 2.% ..

isotope E-47 47.011 amu, 87.34%

isotope E-48 48.008 amu, 6.895

isotope E-49 50.009 amu, 5.77%

The average atomic mass :

$\tt avg~mass=0.8734\times 47.011+0.06895\times 48.008+0.0577\times 50.009\\\\avg~mass=41.059+3.310+2.886\\\\avg~mass=47.255~amu$

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3 years ago

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What part of the geocentric model was incorporated in the heliocentric model?

boyakko [2]

C. A central body is the center of the universe.

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One mole of copper(ii) sulfate, cuso4, contains ________ o atoms.

Ierofanga [76]

According to avogadro constant, the number of units in one mole of any substance contain 6.022 x10 ^23 atoms

therefore the number of o atoms in one mole of CuSO4 = 6.022 x 10 ^ 23

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olga2289 [7]

Answer:

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Explanation:

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3 years ago