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2 years ago

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Physical reactions of carbonyl group

1 answer:

docker41 [41]2 years ago

8 0

Answer:

The polarity of the carbonyl group notably affects the physical properties of melting point and boiling point, solubility, and dipole moment. Hydrocarbons, compounds consisting of only the elements hydrogen and carbon, are essentially nonpolar and thus have low melting and boiling points.

Explanation:

pls mark brainliest and these are my notes from last year.

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3 years ago

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2 years ago

In a coffe cup calorimeter, 50.0mL of 0.100M of AgNO3 and 50mL of 0.100M HCl are mixed to yield the following reaction:

Jet001 [13]

Answer:

The enthalpy change of the reaction is -66.88 kJ/mol.

Explanation:

Mass of the solution = m = 100 g

Heat capacity of the solution = c = 4.18 J/g°C

Initial temperature of the solutions before mixing = $T_1=22.60^oC$

Final temperature of the solution after mixing = $T_2=23.40^oC$

Heat gained by the solution due to heat released by reaction between HCl and silver nitrate = Q

$Q=m\times c\times (T_2-T_1)$

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Heat released due to reaction = Q' =-Q = -334.4 J

Moles of silver nitrate = n

Molarity of silver nitrate solution = 0.100 M

Volume of the silver nitrate solution = 50.0 mL = 0.050 L ( 1 mL = 0.001 L)

$Moles =Molarity\times Volume (L)$

$n=0.100 M\times 0.050 L=0.005 mol$

Enthalpy change of the reaction = $\Delta H$

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The enthalpy change of the reaction is -66.88 kJ/mol.

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3 years ago

You have a HCl solution with a pH of 2. What is the [H+] of this solution?

Veseljchak [2.6K]

Answer:0.01

Explanation:

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2 years ago