Compared with saturated hydrocarbons, an unsaturated carbon has _____ ratio of hydrogen atoms to carbon atoms.

Answers

Answer 1

Answer: carbon has lower ratio of hydrogen atoms to carbon atoms

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A 10 L mixture is made up of 40% antifreeze. How much of the mixture needs to be removed and filled with pure antifreeze to reach a concentration of 60% antifreeze

Answers

Answer:

3.3 liters of the mixture is needed to be removed and filled with 3.33 liters pure antifreeze to reach a concentration of 60% antifreeze.

Explanation:

A 10 L mixture is made up of 40% antifreeze.

Initial Volume of antifreeze in 40% mixture = 40% of 10 L = 4L

Let volume of pure antifreeze added = x

Volume of antifreeze removed = 40% of x= 0.4 x

Volume of antifreeze in 60% mixture = 60% of 10 L = 6 L

Volume of antifreeze left after removal of 0.4 x L of antifreeze and addition of x L of pure antifreeze will be equal to 6 L of antifreeze in the final solution.

4L - (0.4 x ) + x = 6L

x = 3.33 L

3.3 liters of the mixture is needed to be removed and filled with 3.3 liter pure antifreeze to reach a concentration of 60% antifreeze.

.A pure gas that is 14.3% hydrogen and 85,7% carbon by mass has a density of 2.5 g L-' at 0°C and 1 atm
pressure. What is the molecular formula of the gas

Answers

Answer:

Explanation:

4× CH2 = C4H8

When magnesium ribbon is ignited, it gives off a white fume of magnesium oxide. What is this type of reaction? synthesis reaction double displacement reaction decomposition reaction single displacement reaction

Answers

It is an oxidation reaction

How do you correctly read a graduated cylinder

Answers

See where the liquid or whatever you're measuring meets with the numbers! And thats your answer!

Which statement about electric charge is true? A. Electric charge is created by an electric current. B. Electric charge influences whether objects attract or repel one another. C. Electric charge tends to be neutral in the nuclei of atoms. D. Electric charge will increase with an increase in temperature.

Answers

Answer:

Explanation:

Answer:

Electrical forces can act from a distance

Explanation:

A. Because electrical forces act at a distance, charged objects brought near a neutral object will cause electrons on the neutral object to rearrange their position

The cheetah has been clocked at 112 km/Hr. What speed would this be in ft/sec?

Answers

All you have to do in convert two units. You need to know that there are 3600 seconds in an hour, and one kilometer is ~3,280.8399 feet. 3,280.8399 * 112 is equal to 367454.0688 feet per hour. Now divide it by 3600 to get it into seconds. That is equal to 102.07057466666667 feet per second. That's your answer.

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