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NemiM [27]
3 years ago
14

How does a difference in 1 pH unit change in terms of H+ concentration? Ex: How does a pH of 3 differ from the pH of 4? Which on

e is stronger or weaker? Why?
Chemistry
1 answer:
yuradex [85]3 years ago
6 0

Answer:

A difference of 1 would mean there is either x10 more or less depending on where you are starting.

Explanation:

The pH of 3 differs from 4 because the acidity of 3 is 10x higher than that of 4. This is due to how the scientific notation of 3 in relation to pH is 10x^-3 while that of 4 is 10^-4 so in terms of the stronger acid that would be the one with the pH of 3.

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Which cannot be separated into similar substances? Compound,element,solution ormixture
Oliga [24]

Compound.

Because compound is a substance formed by a chemical reaction of two or more separate elements. If a compound is separated, it would become two or more different substances instead of similar ones.

Wish this helps.

Bella from BOC Sciences

6 0
3 years ago
Mechanical waves travel fastest through<br> A -Solid<br> B -Liquid<br> C -Gas<br> D -Vacuum
GalinKa [24]

Answer:

A-Solid

Explanation:

Waves travel faster in solids & slowest in gases

8 0
2 years ago
Suppose you have 100 grams of radioactive plutonium-239 with a half-life of 24,000 years. how many grams of plutonium-239 will r
Alexandra [31]

To solve this problem, let us first calculate for the rate constant k using the half life formula:

t1/2 = ln 2 / k

where t1/2 = half life period = 24,000 years, therefore k is:

k = ln 2 / 24,000

k = 2.89 x 10^-5 / yr

 

Now we use the rate equation:

A = Ao e^(-k t)

where,

A = mass of Plutonium-239 after number of years

Ao = initial mass of Plutonium-239

t = number of years

 

A. t = 12,000 years, find A

A = 100g e^(- 2.89 x 10^-5 * 12,000)

A = 70.7 g

 

B. t = 24,000 years, find A

A = 100g e^(- 2.89 x 10^-5 * 24,000)

A = 50 g

 

C. t = 96,000 years, find A

A = 100g e^(- 2.89 x 10^-5 * 96,000)

<span>A = 6.24 g</span>

5 0
2 years ago
A 8 kg cat is running 4 m/s. How much kinetic energy does it have
Debora [2.8K]
<span>KE = 1/2mv^2
KE = 1/2(8)4 m/s^2
KE = 4*4
KE = 16 Joules

Kinetic energy would equal 16 J 
</span>
8 0
2 years ago
How many atoms are in 0.625 moles of ge (atomic mass = 72.59 amu)?
lord [1]
0.625 moles of ge X 6.02x10^23 atoms/ 1 mol of ge equal to 3.76x10^23 atoms of ge, just times with Avogadro.
8 0
3 years ago
Read 2 more answers
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