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exis [7]
4 years ago
5

James wants to find out the favorite movie of students in his school. Which method would give James the BEST results? A) survey

every student on the football team B) survey every student that walks to school C) survey only students who go to the movie every week D) survey 100 randomly selected students from the school
Chemistry
2 answers:
Law Incorporation [45]4 years ago
7 0
Think D is the most efficient out of the bunch
Yuri [45]4 years ago
3 0

D) survey 100 randomly selected students from the school

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A. ionizing energy increases

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4. Think of the solids and liquids that you encounter every day. In what ways are solids and liquids similar? In what ways are t
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3 0
2 years ago
A nuclear chemist measures the mass defect of nickel-56 and finds it to be 0.4667 amu. Based on this number, (a) calculate the n
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Answer:

See explanation

Explanation:

Number of protons = 28

Number of neutrons = 28

Mass of each proton = 1.007277 amu

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Mass of each neutron = 1.008665 amu

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mass defect of nickel-56  = 0.4667 amu

Binding energy = Δmc^2

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Binding energy =4.2 * 10^16 J

Binding energy per nucleon = 4.2 * 10^16 J/56

Binding energy per nucleon = 7.5 * 10^14 J

5 0
3 years ago
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