3 years ago

Radiation that changes direction as it passes through material is called what

Chemistry

1 answer:

RSB [31]3 years ago

7 0

Light? Look up the Third law.
Heat?
Gosh this has been awhile. Please recheck this.

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3 years ago

Draw an ether that contains exactly five carbon atoms and only single bonds

Eddi Din [679]

<em>Answer:</em>

H3CH2COCH2CH2CH3

<em>Ether:</em>

Ether are organic compounds that contain ether functional group , in which oxygen atom is connected with two alkyl or aryl group.

They have general formula as follow

R---O---R or R'---O----R or R'---O---R'

while R = Alkyl

R' = Aryl

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How can you tell that a compound contains an ionic bond

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Is this a scienctif question cuss if so it not only helps u with math there’s a lot of subsists like history math English etc....

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3 years ago

Explain how natural resources are identified and why natural resources are unevenly distributed.

slava [35]

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Natural resources are naturally formed of course(wood copper fruits) and they are not distributed evenly due to competition of getting them and the prices of the resources

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3 years ago

What is the molarity of the potassium hydroxide if 25.25 mL of KOH is required to neutralize 0.500 g of oxalic acid, H2C2O4? H2C

Greeley [361]

Answer:

0.444 mol/L

Explanation:

First step is to find the number of moles of oxalic acid.

n(oxalic acid) = $\frac{0.5g}{90.03 g/mol} = 5.5537*10^{-3} mol\\$

Now use the molar ratio to find how many moles of NaOH would be required to neutralize $5.5537*10^{-3} mol\\$ of oxalic acid.

n(oxalic acid): n(potassium hydroxide)

1 : 2 (we get this from the balanced equation)

$5.5537*10^{-3} mol\\$ : x

x = 0.0111 mol

Now to calculate what concentration of KOH that would be in 25 mL of water:

$c = \frac{number of moles}{volume} = \frac{0.0111}{0.025} = 0.444 mol/L$

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3 years ago