Chemistry, 11.07.2019 13:30 tommyaberman

The table shows the mass and density of some substances. ( science) density of substances mass (g) density of iron density of silver (g/cm3) (g/cm3) 100 7.8 q 200 p 19.3 part 1: is the value of q less than, greater than, or equal to the value of p? part 2: explain your answer for part 1.

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Answer from: keasiabrown25

Part 1: Q > P

Part 2: Explained below.

Explanation:

Density of any substance is defined as "mass of a unit volume of that particular substance", Mathmetacally it is written as;

δ = m / V

Where;

δ = Density

m = Mass

V = Volume

Data Given:

For Iron:

Mass Density

100 g 7.8 g.cm⁻³

200 g P

For Siver:

Mass Density

100 g Q

200 g 19.3 g.cm⁻³

In given cases it can easily be seen that Q is the density of Silver and P is the density of Iron. Also, it can also be observed that the density of Silver is 2.47 times greater than thant of Iron. Hence, it can be concluded:

Q > P

Secondly, Density is considered as Intensive Property. Intensive properties are those properties which does not depend upon the amount of the substance for which it is being measured. In our cases the density of Iron will remain the same either it is measured against 100 g or 200 g.

Answer from: jakeshep2000

The value of Q is greater than the value of P

Explanation:

Mass (g)Density of Iron (g/cm³) Density of Silver (g/cm³)

100 7.8 Q

200 P 19.3

Density is an intensive property, that means it doesn't change if the mass of the sample change. That is, the density of Iron (at constant temperature and pressure) is always the same (7.8 g/cm³) despite of it was measured in a 100 g or 200 g sample. Then, P = 7.8 and Q = 19.3

Answer from: Quest

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Answer from: Quest

Mass is the amount of matter in an object. weight is the measurement of the pull of gravity on an object. say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165) now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon. however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant. in conclusion it is possible for your weight to change as your mass remains constant.

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