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4 years ago

Need structural formula for each 12, HOCH a CH 1 Dipherylamine.

Chemistry

1 answer:

guajiro [1.7K]4 years ago

5 0

12) Ethylene glycol and Diphenylamine

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hope this helps!

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You removed a Coke can from the refrigerator. When you come back a few minutes later, you realize the can has begun to "sweat".

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Answer:

Explanation:

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3 years ago

a sample of the hydrate of sodium carbonate has a mass of 8.85 g. it loses 1.28 g when heated. find the molar ratio of this comp

xenn [34]

Answer:

Molar ratio of the compound is 1:1 and the type of hydrate is Mono hydrate.

Explanation:

From the given,

Mass of sodium carbonate $Na_{2}CO_{3}.XH_{2}O$ = 8.85 g

Loss mass $H_{2}O$ = 1.28 g

Actual weight of sodium carbonate = 8.85 g - 1.28 g = 7.57 g

$7.57 g Na_{2}CO_{3} \times \frac{1mol}{106 g} =\frac{0.0714}{0.0714}=1$

$1.28g H_{2}O \times \frac{1mol}{18 g} =\frac{0.0711}{0.0714}=1$

Therefore, the compound has only one water molecule.

Molecular formula of the compound is $Na_{2}CO_{3}.H_{2}O$ an name of the compound is sodium carbonate mono hydrate.

Hence, the type of the compound is Mono hydrate.

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3 years ago

Problems such as crazing cracks and skill are the result of improper

evablogger [386]

Answer:

The question is incomplete.(not enough data provided).

Explanation:

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4 years ago

Which gas law would you use for the following problem: What pressure is required to hold 8.0 moles of oxygen gas in an 8.0 L con

emmainna [20.7K]

Answer:

Ideal Gas Law ( PV = nRT)

Explanation:

Using the Ideal Gas Law, we have; PV = nRT

Where P= Pressure = ?

V= Volume = 8.0 L

n = moles = 8.0

R = Gas constant = 0.0821 L.atm/mol/K

T = 80° c + 273 = 353.15K

Therefore Pressure would be; P = nRT/ V = 8 x 0.0821 x 353.15 / 8 = 28.9atm

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3 years ago

Which is an example of a condition in which homeostasis is maintained using a negative feedback loop?

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A. low blood glucose is an example of a condition in which homeostasis is maintained using a negative feedback loop

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3 years ago