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OLga [1]
3 years ago
13

As the pressure on a sample of gas increases, the volume of the sample _____.

Chemistry
2 answers:
Free_Kalibri [48]3 years ago
7 0
The volume of the sample increases.
ki77a [65]3 years ago
4 0

Answer:

The volume decreases

Explanation:

According to Boyles law the relationship is inverse

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Which change in the h+ ion concentration of an aqueous solution represents a decrease of one unit on the ph scale?
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The pH scale is calculated based on the concentration of H+ ion in the solution. The formula is using log10, so to decrease 1 unit from the scale it will be 10^1= 10 fold of increase. For 2 </span>unit, you will need 10^2= 100 fold of increase.
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In The Lord of the Rings, Frodo and Sam use a rope to rappel down a cliff. The rope was 30 ells long. How high was the cliff in
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Filtration definition 
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8 0
3 years ago
Read 2 more answers
Write a balanced half-reaction for the reduction of bismuth oxide ion to bismuth ion in acidic aqueous solution. be sure to add
gavmur [86]
BiO₃⁻ → Bi³⁺
+5           +3
Balance oxidation state:
BiO₃⁻ + 2 e⁻ → Bi³⁺ 
Balancing oxygen by adding water and balance H
BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O
balance charge:
BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O
      + 3                               + 3
Final:
BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O
8 0
3 years ago
What would be the empirical formula of a compound that is 25.5% carbon, 6.40% hydrogen, and 68.1% oxygen?
aleksandr82 [10.1K]
Empirical formula is the simplest ratio of whole numbers of components in a compound 
in 100 g of compound 
                                C                          H                          O
mass                   25.5 g                     6.40 g                 68.1 g
number of moles  25.5 g/12 g/mol      6.40 g/ 1 g/mol      68.1 g/ 16 g/mol 
                             = 2.13 mol              = 6.40 mol          = 4.26 mol
divide by least number of moles 
                             2.13/2.13 = 1          6.40/2.13 = 3.0    4.26/2.13 = 2.0
all rounded off 
C - 1
H - 3
O - 2

empirical formula - CH₃O₂
8 0
3 years ago
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