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3 years ago

describe how a physical property, such as mass or texture, can change without causing a chance in the substance?

2 answers:

7 0

Mass can't be changed, It is not variable so it will stay the same in any condition. Texture on the other hand is variable it will change under the pressure or the atmosphere.

Verizon [17]3 years ago

5 0

mass cannot change as it is not a variable :)

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A sample of gas has a volume of 100. L at 17 °C and 800. torr. To what temperature must the gas be cooled in order for its volum

Romashka [77]

Answer:

108.81 K

Explanation:

First convert 17 °C to Kelvin:

17 + 273.16 = 290.16 K

Assuming ideal behaviour, we can solve this problem by using the combined gas law, which states that at constant composition:

P₁V₁T₂=P₂V₂T₁

Where in this case:

P₁ = 800 torr

V₁ = 100 L

T₂ = ?

P₂ = 600 torr

V₂ = 50 L

T₁ = 290.16 K

We input the data:

800 torr * 100 L * T₂ = 600 torr * 50 L * 290.16 K

And solve for T₂:

T₂ = 108.81 K

6 0

3 years ago

The empirical formula is:

stepan [7]

Answer:

option c the relative number of atoms of each element using the lowest ratio because empirical formula gives the simplest-whole number ration of each element

e.g. the empirical formula of benzeneC6H6 in CH

Explanation:

I HOPE IT WILL HELP YOU

4 0

3 years ago

8. Why would it be a bad idea to make coins made of sodium metal?

Elina [12.6K]

Answer:

Sodium reacts with the oxygen in air. It reacts vigorously with oxygen and the moisture that is already present in the air and thus catches fire.

5 0

3 years ago

What do these symbols mean in terms of an air mass? m: c: P: T:

White raven [17]

Answer:

cT= continental Tropical

cP=continental Polar

mT=maritime Tropical

there is also :

mP=maritime Polar

cA=continental Arctic

c(continental)=dry/not very humid

m(maritime)=wet/humid

T(Tropical=warm

P(Polar)=cold

A(Arctic)=very cold

these are all terms used during a weather topic

Explanation:

3 0

3 years ago

Milk of magnesia helps to neutralize stomach acid because it is a _____. strong acid strong base good indicator salt

Furkat [3]

Milk of magnesia helps to neutralize stomach acid because it is a strong base.

Acid: Acids have a sour taste and turn certain dyes red.

It gives off hydrogen ions in water and forms salts by combining with certain metals.

Acids are substances that has pH greater less than 7.

Base: Base turn certain dyes blue.

It takes off hydrogen ions in water and forms salts by combining with certain metals.

It has pH greater than 7.

When acid and base combine, salt is formed.

Milk of magnesia is a laxative that is thought to work by drawing water into the intestines, an effect that helps to cause movement of the intestines.

It is an antacid.

Hence, Milk of magnesia helps to neutralize stomach acid because it is a strong base.

Learn more about Milk of magnesia, click here brainly.com/question/22066653

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5 0

2 years ago