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Allisa [31]
3 years ago
6

The table shows the temperature and pressure of five-liter samples of four different gases. Which two gas samples do not have th

e
same number of molecules?
Chemistry
2 answers:
hichkok12 [17]3 years ago
7 0

Answer:

Answer:A

Explanation:

Alex777 [14]3 years ago
5 0

Answer:He2 & O2

Explanation:

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PLEASE HELP!!!!! Noble gases are often described as being very stable. Give two points to explain what this means.
Leya [2.2K]

Answer:

Noble Gases are very stable because...

1) Noble Gases have a full octet

2) Low chemical reactivity

Explanation:

This means that is has 8 valence electrons so it won't need any more, so it is less likely to react with other substances.

6 0
3 years ago
How many moles of solute are contained in a 250.0-milliliter solution that has a concentration of 0.85 M?
adoni [48]

Answer : The correct option is, 0.21 moles

Solution : Given,

Molarity of the solution = 0.85 M = 0.85 mole/L

Volume of solution = 250 ml = 0.25 L     (1L=1000ml)

Molarity : It is defined as the number of moles of solute present in one liter of the solution.

Formula used :

Molarity=\frac{\text{moles of solute}}{\text{Volume of solution in liters}}

Now put all the given values in this formula, we get the moles of solute of the solution.

0.85mole/L=\frac{\text{moles of solute}}{0.25L}

\text{moles of solute}=0.2125=0.21moles

Therefore, the moles of solute is, 0.21 moles

7 0
3 years ago
Read 2 more answers
A saturated solution of Barium Chloride at 30’C contains 150.0g water. How much additional Barium Chloride can be dissolved by h
oksian1 [2.3K]
Wouldn't it be just dubble the amount witch would be 300.0g water
5 0
3 years ago
Ch3-ch=ch2-->br2/nacl
attashe74 [19]

CH3-CH=CH2+Br2--->CH3-CH(Br)-CH2-Br

8 0
3 years ago
What do you call a group of tissues that perform a specific action
Temka [501]
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system. Hope it helps
7 0
3 years ago
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