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zysi [14]
3 years ago
12

How many ions result from the dissociation of one molecule of AlCl3 ?

Chemistry
1 answer:
sergeinik [125]3 years ago
4 0

Four ions result from the dissociation of one molecule of A l C l_{3}

Answer: Option A

<u>Explanation:</u>

                                  A l C l_{8}=A l^{3+}+3 C l^{-}

Here, it is understood that when one-mole aluminum chloride salt dissociates than it gives one mole of aluminum ion and three moles of the chloride ion here.

This process is understood by learning the stoichiometry of chemical equations where the number of mole of reactant should be equal to the number of mole of products for any balanced chemical equation. Balanced chemical equations give quantitative data by providing a measure of elements.

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How much volume (in cm3) is gained by a person who gains 12.3 lb of pure fat?
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Answer:

So we are given with the mass while we are asked for the amount of volume. So this means, we must need an information on the density. From literature, the density of human fat is 0.918 g/cm³. Convert grams to lb by the conversion that 1,000 g = 2.2 lbs.

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3 years ago
How is an athlete's body different from a healthy body? Discuss what you learned in class today.
Ronch [10]

Answer:

Lower Heart Rate

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Lower Disease Risk

Athletic types may have better overall health and be less apt to develop certain diseases. Regular exercise boosts your immune system and lowers the risk of serious health conditions such as cancer and heart disease. Physical activity can also reduce the risk of type 2 diabetes and osteoporosis while helping to manage cholesterol levels and blood pressure. You gain about two hours of additional life expectancy for each hour of regular exercise, according to the American Heart Association.

Psychological Effects

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A comprehensive study of the academic performance of North Carolina high school student-athletes in North Carolina over a three-year period attests to the positive psychological effects of athletic capabilities. Researchers discovered obvious differences between athletes and non-athletes. The study of nearly 127,000 high school students found dropout rates were lower and grade point averages were higher in students who participated in sports. The study was led by Dr. Roger Whitley in collaboration with the North Carolina High School Athletic Association.

Motivated by Excellence

Athletes, especially competitive athletes, have high ambitions. It's a trait that allows them to persevere through setbacks and failures and to come out the other side stronger. Athletes are highly motivated individuals who set their sights on a prize and are single-minded in their pursuit of excellence. They are propelled by passion to become the best they can be and the benefits of that inner drive are a higher level of self-esteem and confidence.

Explanation:

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3 years ago
How many minutes will it take for a car to Travel 3.5 miles. If it is traveling 25km/h? (1 mile = 1.609 km) ?
Pie

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It will take the car 13.5 minutes to travel 3.5 miles.

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