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vichka [17]
2 years ago
10

A gas has a volume of 72.1 liters at 58.3 atm. The final volume is 101.0L, what is the new pressure?

Chemistry
1 answer:
vampirchik [111]2 years ago
3 0

Answer:

X is an element in period 3 with two electrons in the outer shell

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3 years ago
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3 years ago
Calculate the change in ph when 3.00 ml of 0.100 m hcl(aq) is added to 100.0 ml of a buffer solution that is 0.100 m in nh3(aq)
nikklg [1K]

The change in pH is calculated by:

pOH = Protein kinase B + log [NH4+]/ [NH3] 

Protein kinase B of ammonia = 4.74 

initial potential of oxygen hydroxide= 4.74 + log 0.100/0.100 = 4.74 
pH = 14 - 4.74=9.26 

moles NH4+ = moles NH3 = 0.100 L x 0.100 M = 0.0100 
moles H+ added = 3.00 x 10^-3 L x 0.100 M=0.000300 

NH3 + H+ = NH4+ 
moles NH3 = 0.0100 - 0.000300=0.00970 
moles NH4+ = 0.0100 + 0.000300=0.0103 

pOH = 4.74 + log 0.0103/ 0.00970= 4.77 
oH = 14 - 4.77 = 9.23 

the change is  = 9.26 - 9.23 =0.03 

7 0
3 years ago
Who described atoms as small spheres that could not be divided into anything smaller?
gtnhenbr [62]
John Dalton


"matter cannot be created nor destroyed or divided into smaller particles"
5 0
3 years ago
Which of the following is non polar covalent bond?
vladimir2022 [97]

Answer:

N-Cl

Explanation:

Look at the chart below. Since N-Cl bond has a electronegativity difference of (3.0-3.0) zero, they are non-polar.

5 0
2 years ago
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