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2 years ago

During the phase change from solid ice to liquid water, which bonds/forces are being weakened?

1 answer:

5 0

INTERmolecular forces (such as dipoles and London dispersion forces).

The actually compound isn't changing (it's still H2O in solid or liquid form), so INTRAmolecular bonds aren't being affected. It's just the strength of attraction between separate molecules that is weakening.

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the air pressure from the atmosphere measures 0.5atm at an altitude of 18,000 ft. How much pressure is this in pounds per square

Julli [10]

14.7lb/in²

Explanation:

This is a conversion problem from atm to pounds per square inch

Pressure is the combined force per unit area of substance on another.

Given pressure = 0.5atm

To solve this problem ;

Convert from atm to N/m² to pound per square inch

1 atm = 101325N/m²

0.5atm = 0.5 x 101325 = 50,662.5‬N/m²

now we need to convert to pound per square inch;

1N = 0.225lb

1m = 39.37in

Solving;

101325 N $x \frac{1}{m^{2} } x \frac{0.225lb}{1N } x \frac{m^{2} }{39.37in x 39.37in}$ = 14.7lb/in²

learn more:

Pressure of gases brainly.com/question/10897667

#learnwithBrainly

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3 years ago

Which of the following compounds has the highest boiling point?

anastassius [24]

Answer:

Butanoic acid

Explanation:

7 0

3 years ago

A certain metal forms a bromide containing percent by mass. what is the chemical formula of the compound?

77julia77 [94]

Answer:

w w w . g o o g l e . c o m

Explanation:

3 0

1 year ago

Decribe how hydrogen and oxygen form water

rewona [7]

Well, its a very simple process actually. Here is how it works;

When molecular hydrogen, also known as H2, and oxygen, also known as O2, are combined and are able to react together, energy is released and the molecules of the hydrogen and the oxygen. These can combine to form either water or hydrogen peroxide, depending on how the chemicals mix.

I hope I made your day a little easier,

Have a great day and happy Halloween!

8 0

2 years ago

“Different periods in human history are named for the materials used to make tools. Dr. Franklin is searching through layers of

kipiarov [429]

Answer:

Iron age farm

Explanation:

edge 2020

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2 years ago

Read 2 more answers