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3 years ago

Which of the following best describes weight?

Chemistry

1 answer:

hodyreva [135]3 years ago

6 0

Answer:

What best describes the concept of weight is the force on an object due to its mass and gravity.

Explanation:

Weight is the force with which gravity pulls a body or object towards the earth. It is a physical unit that involves both the force of gravity and the mass that an object has.

In general, the terms mass and weight are different, being the mass a characteristic of the body -without influence of other factors- and the weight is the force with which the gravity pushes the mass of that same body.

Regarding the other options:

The amount of space an object takes up , corresponds to the volume of a body.
The amount of matter in an object , corresponds to the mass.
The force on an object due to its speed and location, is related to the movement of a body.

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gladu [14]

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As 2 electrons are donated Hence the No of electrons =38-2=36

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As 3 electrons donated the no of electrons=23-3=20

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No of neutrons=55-26=29

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7 0

2 years ago

A sample of gas has a mass of 0.560 g . Its volume is 125 mL at a temperature of 85 ∘C and a pressure of 757 mmHg .

-BARSIC- [3]

Answer:

132g/mole

Explanation:

using the formula PV=nRT should be used to solve for the number of moles (n). R is a constant which is 62.3637 L mmHG/mole K.

Inorder for your units to match you will have to convert 125ml to .125L and the temperature of 85C to K . you do that by adding 273 to the 85C and get 358K. Once you solve for n then you use that number and divide by the number of grams from the question (.560g) since molar mass is grams/moles.

4 0

3 years ago

1. Agriculture most likely began

777dan777 [17]

Answer:

Option D - 10,000 years ago in the Middle East

4 0

3 years ago

What happens if you are in a swimming pool and you push a beach ball down with your hands?

Aleksandr-060686 [28]

Answer:

it will float back up because it's not dense enough to go down

7 0

3 years ago

the trunk of a certain tree is 50 cm thick. Each year it gets thicker by 1 cm. How thick will the tree trunk be in 50 years

Mama L [17]

100 centimeters thick

Starting thickness was 50 cm
1 cm every 50 years= 1x50
1x50=50
Old thickness + New thickness= 50 + 50 = 100 cm
:)

5 0

2 years ago