2 years ago

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Chemistry

1 answer:

DENIUS [597]2 years ago

4 0

Answer:

tic

Explanation:

because it is my answer okay

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hydrogen gas and oxygen gas react to form liquid hydrogen peroxide. which starement is true about the reaction?

Strike441 [17]

The two elements mixed together to form a chemical bond and reacted as a chemical change

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the chemical compound C2F4 is used to make PTEE (Teflon). How manyC2F4 molecules are in 485 kilograms of this material?

monitta

Answer:

$molecules=2.92x10^{27}moleculesC_2F_4$

Explanation:

Hello,

In this case, we use the Avogadro's number to compute the molecules of C2F4 whose molar mass is 100 g/mol contained in a 485-kg sample as shown below:

$molecules=485kgC_2F_4*\frac{1000gC_2F_4}{1kgC_2F_4} *\frac{1molC_2F_4}{100gC_2F_4}*\frac{6.022x10^{23}molecules C_2F_4}{1molC_2F_4} \\\\molecules=2.92x10^{27}moleculesC_2F_4$

Best regards,

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azamat

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Is a stick of dynamite potential energetic or kinetic

qwelly [4]

Answer:Potential Energy

Explanation:

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Vladimir79 [104]

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