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3 years ago

5

With respect to NO and For the reaction NO + O 3 NO 2 + O 2 , the reaction was expressing concentrations as molarityare the unit

s of the found to be first order both with respe rate constant k for this reaction ?

1 answer:

Sliva [168]3 years ago

6 0

Answer:

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Explanation:

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Electroysis is used for

Alina [70]

Answer:

Electrolysis is used extensively in metallurgical processes, such as in extraction (electrowinning) or purification (electrorefining) of metals from ores or compounds and in deposition of metals from solution (electroplating).

Explanation:

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mars1129 [50]

Answer:36g

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x=68*3.6/6.8=36

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Which is NOT a property of gold?

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Answer:

Rareness, the others describe what the gold is and its properties.

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1)state Non-Mendillian's Law of Inheritance.

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3 years ago

Barbiturates are synthetic drugs used as sedatives and hypnotics. Barbital ( = 184.2 g/mol) is one of the simplest of these drug

DanielleElmas [232]

Answer:

118.75°C is the boiling point of a solution.

Explanation:

Mass of the solute that is barbiturates = 42.5 g

Molar mass of a solute = 184.2 g/mol

Moles of solute = $\frac{42.5 g}{184.2 g/mol}=0.2307 mol$

Mass of the solvent that acetic acid = 825 g = 0.825 kg

$molality=\frac{\text{Moles of solute}}{\text{Mass of solvent}}$

Molality of the solution (m):

$m=\frac{0.2307 mol}{0.825 kg}=0.2796 m$

Elevation in boiling point is given as:

$\Delta T_b=i\times K_b\times m$

i = 1 (organic compound)

$=1\times 3.07^oC/m\times 0.2796 m=0.8585^oC$

$\Delta T_b=T_b-T$

$T_b$ = Boiling temperature of solution.

T = boiling temperature of solvent that is acetic acid=117.9°C

$0.8585^oC=T_b-117.9^oC$

$T_b=118.75 ^oC$

118.75°C is the boiling point of a solution.

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3 years ago