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LekaFEV [45]
3 years ago
5

What is the mass % of carbon in dimethylsulfoxide?

Chemistry
1 answer:
ziro4ka [17]3 years ago
8 0

Answer:

There is 30.74% of carbon in dimethylsulfoxide

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A website promoting the use of alternative energy vehicles and hybrid technologies claims that "A typical automobile in the USA
svetlana [45]

Answer:

The statement is correct since 500 gallon of gasolin produces 4.56 ton of carbon dioxide.

Explanation:

The combustion of gasoline follows the reation bellow:

C₈H₁₈ (l) + 17,5O₂ (g) → 8CO₂ (g) + 9H₂O (g)

This means that each mol of octane produces 8 mol of CO₂.

1 gallon ______ 4546.09 mL C₈H₁₈

500 gallon ____    x

x = 2,273,045.00 mL C₈H₁₈

1 mL gasoline ______________ 0.703 g

2,273,045.00 mL C₈H₁₈ ____  y

y = 1,597,950.635 g C₈H₁₈

1 mol C₈H₁₈ _____ 126.239 g

            y          _____  1,597,950.635 g

y = 12,966.274 mol C₈H₁₈

1 mol C₈H₁₈ ___________ 8 mol CO₂

12,966.274 mol C₈H₁₈ ____  w

w = 103,730.192 mol CO₂

1 mol CO₂ ______________ 44 g

103,730.192 mol CO₂______   z

z = 4564128.448 g CO₂

500 gallon of gasolin produces 4.56 ton of carbon dioxide.

4 0
3 years ago
Which one is it (it’s multiple choice too)
ArbitrLikvidat [17]

Answer:

i think its b and c.

5 0
4 years ago
What controls cell growth and division?
melisa1 [442]
A. Proteins is the right answer
5 0
3 years ago
Consider two solutions, one formed by adding 10 g of glucose (c6h12o6) to 1 l of water and the other formed by adding 10 g of su
Jlenok [28]

Relative lowering of vapour pressure is a colligative property

The colligative property depends upon the number of solute particles.

More the number of solute (non volatile) particles more the relative lowering of vapour pressure of solution.

The molar mass of sucrose is higher than the molar mass of glucose

thus for each gram of glucose and sucrose the moles of glucose will be more than the moles of sucrose.

hence for 10g of both glucose and sucrose

the moles of glucose will be more than moles of sucrose

Due to more number of molecules of non volatile solute in the solution of 10g of glucose the lowering of vapour pressure will be more in glucose solution.

hence the vapour pressure over glucose solution will be less than the vapour pressure over sucrose solution.

Answer: No,the vapor pressures over the two solutions will not be the same

3 0
4 years ago
Which of the following is true and supports the Heisenberg uncertainty principle?
Allushta [10]

Answer:

quantum mechanical theory; it says that quantized energy makes the location of electrons uncertain

Explanation:

According to the wave particle duality theory, particles have wavelike properties and vice-versa.

We can not measure both the velocity and position of a particle simultaneously.

The quantum mechanical model now introduces the idea that the electron is not localized at a particular position within the atom. Hence, the exact location of the electron within the atom is uncertain. This is quite in line with the Heisenberg uncertainty principle

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