3 years ago

What does contact forces and non-contact forces mean?

1 answer:

8 0

A contact force is a force in which and object comes in contact with a another object. A non-contact force, is a force is an object applied by another body. (A good example of a non-contact force is gravity)

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Explain why chloro acetic acid<br>strong and than acetic acid<br>

Basile [38]

Chloroacetic acid is stronger than acetic acid because of the electron-withdrawing effect of chlorine. This effect is caused by the electronegativity.

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3 years ago

Match each item with the correct statement below.

V125BC [204]

1. LDFs

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3 years ago

Wich of the following is a unit of volume in the english system of mesurement

ch4aika [34]

Answer:

uhh its gallon

Explanation:

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4 years ago

What is true of a substance with a lot of mass?

fomenos

Answer:

A. it contains a lot of matter

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3 years ago

Read 2 more answers

Which unit conversion allows you to convert 21.0 gallons into milliliters?

Ulleksa [173]

Answer:

Explanation:

we are given

there are in 0.073 gallons

we can see that there are two non-zero places after decimals

so, there are two siginificant figures

step-1: Change gallons to quarts

we know that

1 gallon = 4 quarts

so, we can write as

step-2: Change into liter

we know that

1 liter = 1.057 quarts

step-3: Change into millilitre

we know that

Since, it is asking for only two significant figures

so, we can also write as

...................Answer

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3 years ago