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3 years ago

6

Which general formula represents the homologous series of hydrocarbons that includes the compound

1 answer:

yaroslaw [1]3 years ago

4 0

the general formular is cnH2n-2

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A gamma ray has a frequency of 2.88 x 1021 Hz. What does this mean?

bonufazy [111]

Answer:

A gamma ray has a frequency of 2.88 x 10^21 Hz. What does this mean? It is how fast the wavelength is moving and is the number of how many pass a certain in a second. How does light emitted from a neon sign differ from light from the sun? Neon light only emits certain colors while sunlight emits all colors.

Explanation:

A gamma ray has a frequency of 2.88 x 10^21 Hz. What does this mean? It is how fast the wavelength is moving and is the number of how many pass a certain in a second. How does light emitted from a neon sign differ from light from the sun?

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2 years ago

How do you balance this chemical equation?

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1na2co3>1 na2o+ 1 co2

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3 years ago

Calculate the number of moles and the mass of the solute in each of the following solutions:(a) 2.00 L of 18.5 M H2SO4, concentr

Vlad [161]

Explanation:

$c=\frac{n}{V}$

c = Concentration of the solution

n = Moles of compound in solution

V = Volume of the solution

a) 2.00 L of 18.5 M of concentrated sulfuric acid.

n= ? c = 18.5 M, V = 2.00 L

$18.5 M=\frac{n}{2.00 L}$

n = 37 moles of sulfuric acid

b) 100.0 mL of $3.8\times 10^{-5} M$ of sodium cyanide

n= ? ,c = $3.8\times 10^{-5} M$ , V = 100.0 mL = 0.1 L

$3.8\times 10^{-5} M=\frac{n}{0.1 L}$

n = $3.8\times 10^{-6} moles$ of sodium cyanide

c) 5.50 L of 13.3 M of concentrated formaldehyde.

n= ? c = 13.3 M, V = 5.50 L

$13.3 M=\frac{n}{5.50 L}$

n = 73.15 moles of formaldehyde.

d)325 mL of $1.8\times 10^{-6} M$ of iron sulphate

n= ? ,c = $1.8\times 10^{-6} M$ , V = 325 mL = 0.325 L

$1.8\times 10^{-6} M=\frac{n}{0.325 L}$

n = $5.85\times 10^{-7} moles$ of iron sulfate.

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3 years ago

Which of the following does not contribute to water vapour to the atmosphere

vampirchik [111]

Answer:

<h2>Industry </h2>

Explanation:

because industry is a building not a weather or related on nature

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3 years ago

In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a

kupik [55]

In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water a. sucrose is a reactant

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3 years ago

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