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adelina 88 [10]
2 years ago
6

How do I find the number of moles and molar mass of Gas A and Gas B with the information provided?

Chemistry
1 answer:
drek231 [11]2 years ago
3 0

Answer:

A.

Explanation:

hope this helped sorry if its wrong!

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The study and understanding of the biological macromolecules impact our everyday life by making us know what to eat and the different processes which occur in the body.

<h3>What are Biological macromolecules?</h3>

These are cellular components of the body which are natural and vital for the growth and survival of organisms.

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4 0
2 years ago
How many molecules are in 30 liters of methane (CH4) at STP?
mylen [45]

Hello!

How many molecules are in 30 liters of methane (CH4) at STP ?

We have the following information:

Knowing that by Avogadro's Law for each mole of substance we have 6.02 * 10²³ molecules, it is known that in STP (Standard Temperature and Pressure) one mole of any gas equals 22.4 L, then:

22.4 L ----------------- 6.02*10²³ molecules

30 L -------------------- y molecules

\dfrac{22.4}{30} = \dfrac{6.02*10^{23}}{y}

multiply the means by the extremes

22.4*y = 30*6.02*10^{23}

22.4*y = 1.806*10^{25}

y = \dfrac{1.806*10^{25}}{22.4}

\boxed{\boxed{y = 8.0625*10^{23}\:molecules}}\:\:\:\:\:\:\bf\green{\checkmark}

Answer:

8.0625*10²³ molecules of methane

________________________  

\bf\green{I\:Hope\:this\:helps,\:greetings ...\:Dexteright02!}\:\:\ddot{\smile}

4 0
2 years ago
The Density of this log is 1.75g/cm3. If we cut this log in half, what is the density of the log? Make sure to show your work an
swat32

Answer:

The density remains the same

Explanation:

The density remains the same because cutting the object in half will divide the mass & volume by the same amount. The density cant be changed no matter what happens to it.

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Explanation:

An ionic compound is made up of charged particles, called ions. It has a giant lattice structure with strong electrostatic forces of attraction.

Part ofCombined ScienceBonding, structure and the properties of matter.❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

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