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ohaa [14]
3 years ago
6

Scientists in a lab are working with two different samples of the element mercury. They know that the different samples are diff

erent isotopes.
Which property of the isotopes must be different?
a. the atomic number
b. the electric charge
c. the element name
d. the mass number
Chemistry
2 answers:
svetoff [14.1K]3 years ago
6 0

Answer:

A Mass number

Explanation:

did it on edge2020

paisleigh
2 years ago
2021 edge
Slav-nsk [51]3 years ago
3 0
B.) the electric charge
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Answer:

The mass of the lead

Explanation:

The 5g mass of the lead is an extensive property.

An extensive property is a physical property of matter which depends on the amount of matter that is present there in. Mass, volume e.t.c are all extensive properties. The more the quantity of the lead, the more its mass and the volume it occupies.

Melting point, boiling point, density are all intensive propeties. These properties do not rely on the amount of matter present. Any amount of lead will have the same density.

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analysis of a 12.04g sample of liquid compound compoed of carbon,hydrogen and nitrogen showed it to contain 7.34g carbon ,1.85g
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3 years ago
Hich statement describes the process of fusion, but not the process of fission?
lesantik [10]

The answer is A. this process is only in the research phase

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4 0
4 years ago
A balloon is filled with 35.0 L of helium in the morning when the temperature is 303 degrees kelvin. By 3:00 p.m., the temperatu
Anna007 [38]

Answer:

The new volume of the balloon is 38.5 L

Explanation:

Step 1: Data given

Volume at the start = V1 = 35.0 L

Temperature at the start = T1 = 303 Kelvin

Volume by 3pm = TO BE DETERMINED

Temperature by 3pm = 333 Kelvin

<u>Step 2: </u>Calculate the new volume

Charles' gas law says

V1/T1  = V2/T2

V 1  is the initial volume and T1 is the initial temperature

V2 is the final volume and T2 is the final temperature

35 L / 303 Kelvin = V2 / 333 Kelvin

V2 = 35L * 333 Kelvin / 303 Kelvin

V2 = 38.47L ≈ 38.5 L

The new volume of the balloon is 38.5 L

7 0
3 years ago
Read 2 more answers
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