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prisoha [69]
3 years ago
15

Which phrase best describes the path of a light wave ?

Chemistry
1 answer:
Cloud [144]3 years ago
6 0

Answer:

La B

Explanation:

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A chemical formula shows the kinds and numbers of _____ in the smallest representative unit of a substance.
Firdavs [7]

A chemical formula shows the kinds and numbers of <u>atoms</u> in the smallest representative unit of a substance.

<u>Explanation:</u>

In chemistry, a  formula unit is the empirical formula of "ionic or covalent network solid compound" that is used as an independent entity for "stoichiometric calculations". This formula is a representation of a molecule that uses chemical symbols.

The unit is the lowest whole number ratio of ions represented in an ionic compound. It gives the numbers of atoms representing the "smallest representative" unit of a substance. The number of atoms also tells us about the chemical and physical properties of the compound formed.

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This unbalanced equation represents a chemical reaction:
inn [45]

Answer:

2

Explanation:

Pb(NO3)2 + 2NaI 2NaNO3 + PbI2

5 0
3 years ago
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I need help with this ASAP
NNADVOKAT [17]

Answer: I dunno that but u should give me brainliest

Explanation:

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You have a mixture that contains 0.380 moles of Ne(g), 0.250 moles of He(g), and 0.500 moles CH4(g) at 400 K and 6.25 atm. What
Bas_tet [7]

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1.38 atm

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Partial pressure of a gas = total pressure × mole fraction of that gas.

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The expression below was formed by combining different gas laws.
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