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Black_prince [1.1K]
2 years ago
11

My hypothesis is correct. The experiment and data show heavier objects bounce higher trampolines.

Chemistry
1 answer:
AleksAgata [21]2 years ago
7 0

The answer is A this is a conclusion.

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Which of the following best describes an example of applied chemistry?
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Explanation:

Examples of applied chemistry include creation of the variety of laundry detergents on the market and development of oil refineries.

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The atomic number of an atom is always equal to the total number of
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At 100 degrees Celsius, the ion product for pure water is Kw= 51.3*10^-14. What is the pOH of water at this temperature? A) 7.00
Levart [38]

7.86 is the pOH of water at this temperature of 100 degrees celsius.

Option E is the right answer.

Explanation:

Data given:

Kw = 51.3 x 10^{-14}

pOH = ?

we know that pure water is neutral and will have pH pf 7.

The equation for relation between Kw and H+ and OH- ion is given by:

Kw = [H+] [OH-}

here the concentration of H+ ion and OH- ion is equal

so, [H+]= [OH-]

Putting the values in the equation of Kw

pKw = -log[Kw]

pKw = -log [51.3 x 10^{-14}]

pKw = 12.28

since H+ ion OH ion concentration is equal the pH of water is half i.e. 6.14

Now, pOH is calculated by using the equation:

14 = pOH + pH

14- 6.14 = pOH

pOH = 7.86

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3 years ago
5) The spacing filling models for two diatomic molecules are shown below.
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chill

Explanation:

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