Did I do this science worksheet correctly? Asking for a friend

Chemistry

1 answer:

grin007 [14]3 years ago

8 0

Yes everything looks good to me

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An example of an ____ reaction is when metals react with oxygen to form metal _____.

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An example of an exothermic reaction is when metals react with oxygen to form metal Oxides

Hope this helped you- have a good day bro cya)

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Billions of pounds of urea are produced annually for use as a fertilizer. Balance the skeletal equation for the synthesis of ure

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What is the boiling point of a solution produced by adding 610 g of cane sugar (molar mass 342.3 g/mol) to 1.4 kg of water? For

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Answer:

Boiling point of solution is $100.65^{0}\textrm{C}$

Explanation:

Cane sugar is a non-volatile solute.

According to Raoult's law for a non-volatile solute dissolved in a solution-

$\Delta T_{b}=K_{b}.m$

Where, $\Delta T_{b}$ is elivation in boiling point of solution, $K_{b}$ is ebbulioscopic constant of solvent (how much temperature is raised for dissolution of 1 mol of non-volatile solute) and m is molality of solution.