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DerKrebs [107]
3 years ago
12

The smallest unit that retains the properties of an element is a(n) _____. atom molecule proton compound neutron

Chemistry
1 answer:
Aleks [24]3 years ago
8 0
The answer to your question is ATOM.
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What is the h+ concentration for an aqueous solution with poh = 3.35 at 25 ∘c? express your answer to two significant figures an
RSB [31]
POH value was calculated by the negative logarithm of hydroxide ion concentration.
To know the hydrogen ion concentration, we need to know the pH value, that can be found out if pOH is known 
pH + pOH = 14
pH = 14 - pOH 
pH = 10.65
once the pH is known we have to find the antilog. 
[H⁺] = antilog (-pH)
antilog can be found by 
[H⁺] = 10^(-10.65)
[H⁺] = 2.2 x 10⁻¹¹ M
3 0
3 years ago
I need help with all of these questions
mafiozo [28]
Number five is decrease
7 0
4 years ago
Identify whether this describes heat or temperature.<br> Unit of measurement: Celsius
tresset_1 [31]

Answer:

temperature

Explanation:

Celsius is a unit of temperature. Another example of this would be Kelvin or Fahrenheit.

6 0
3 years ago
What methods were used to clean up the Chernobyl and three mile island accidents?
Assoli18 [71]

<u>Answer</u>:

Electric evaporator has been used to clean up the Chernobyl and 3 mile island accident.

<u>Explanation</u>:

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The steam that came out of the electric evaporator carried a radioactive form of hydrogen and tritium with itself. Cost of clean up was $1 billion.

6 0
4 years ago
If the amount of Adams if each type on the left and right sides of a reaction difference what must be done to balance it
Ivanshal [37]

Hey there,

Your answer would be

Coefficients are placed in front of the reactants and/or products

Hope this helps,

<h2>- <em>Mr. Helpful</em></h2>

8 0
3 years ago
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