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Evgesh-ka [11]
3 years ago
15

1. A cold front forms when-

Chemistry
1 answer:
Aleks [24]3 years ago
4 0
A cold air mass moves into an area of warm air
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What is the formula weight (amu) of the molecule H2O? Use atomic masses of H and O as 1.008 amu and 16.00 amu respectively. Repo
vaieri [72.5K]

Answer:

Formula weight of H₂O molecule is  18.02 amu.

Explanation:

Given data:

Formula weight of H₂O = ?

Atomic mass of H = 1.008 amu

Atomic mass of O = 16.00 amu

Solution:

Formula weight:

"It is the sum of all the atomic weight of atoms present in given formula"

Formula weight of H₂O = 2×1.008 amu + 1×16.00 amu

Formula weight of H₂O = 18.02 amu

Thus, formula weight of H₂O molecule is  18.02 amu.

6 0
3 years ago
Aluminum chloride is added to cesium does a single replacement reaction occur, and if so what is the correct chemical equation f
krek1111 [17]
The answer is C

I hope that helped
5 0
3 years ago
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Which of the following is a physical change?
Anit [1.1K]
I’m pretty sure cooking an egg could be it
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When a solution produces equal numbers of hydrogen and hydroxyl ions, it is said to be neutral. Select one: True False
ioda

Answer:

true

Explanation:

The hydroxyl group is a functional group formed by an oxygen atom and a hydrogen atom.

3 0
3 years ago
Determine the the mass of one molecule of hydrogen sulfide gas.
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the molecular mass of hydrogen sulphide, which contains two atoms of hydrogen and one atom of sulphur is = 2 — 1 + 1 — 32 = 34 a.m.u.

6 0
3 years ago
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