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Kamila [148]
3 years ago
9

What is the osmotic pressure in atm of a 0.30M solution of glucose in water that is used for intravenous infusion at body temper

ature of 37ºC
Chemistry
1 answer:
Tems11 [23]3 years ago
7 0

Answer:

Osmotic pressure is 7.62 atm

Explanation:

Let's replace the data given to the osmotic pressure formula

π = ?

R = 0.082 L.atm/mol.K

T = 37°C + 273 = 310K

M = 0.30 M

π = M . R. T → 0.30 M . 0.082L.atm/mol.K . 310K = 7.62 atm

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The Wolff-Kishner reaction involves the reaction of an aldehyde/ketone with hydrazine in the presence of KOH. The process is use
Ivan

Answer:

in the attached image is the reaction mechanism.

Explanation:

The first reaction (reaction 1) shown in the attached image is the Wolff-Kishner reduction, which is characterized when the carbonyl is reduced to an alkane in the presence of a hydrazine and a base. In reaction 1, the aldehyde reacts with hydrazine to produce oxime. This mechanism begins with the attack of the amine on the carbonyl group. Proton exchange happens and the water leaves the molecule.

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3 years ago
How much energy must be added to a 2-kg piece of wood with a specific heat
lesya692 [45]

Answer:

A. 140,800 J

Explanation:

Specific heat of a material is defined as the amount of energy required to increase in 1°C 1kg of the material. <em>For wood there are required 1760J perkg per °C.</em>

The equation is:

Q = C*m*ΔT

<em>Where Q is heat in Joules,</em>

<em>C is specific heat (1760J/kg°C),</em>

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Replacing:

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<h3>A. 140,800 J </h3>

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