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exis [7]
4 years ago
9

The elements carbon nitrogen and oxygen are all part of the same blank on the periodic table.

Chemistry
2 answers:
Arturiano [62]4 years ago
4 0
In the same period number 2
k0ka [10]4 years ago
3 0
They are all part if the same period, period 2
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Determine the ph of a 0.00598 m hclo4 solution. 1.777 6.434 7.566 2.223 3.558
Black_prince [1.1K]
Answer: 2.223
Explanation:
HClO4, also known as perchloric acid, is a very strong. This means we can assume that complete dissociation occurs.
This means that:
[H+] = [HClO4] = <span>0.00598

pH = -log[H+]
pH = -log[</span><span>0.00598] = 2.223

Note: The base of the log is 10 (conventionally we don't write the base if it is 10)</span>
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Is water reactant or product
cupoosta [38]

Answer:

Both

Explanation:

Depends on which reaction reffered

6 0
3 years ago
Titration is a type of experiment that can be performed to investigate a neutralization reaction. The equivalence point is when
patriot [66]

Answer:

The volume of the potassium hydroxide solution was 164.1 mL

Explanation:

In the equivalence point of a titration between an acid an a base, the moles of H⁺ are equal to the moles of OH⁻.

In the case of potassium hydroxide (KOH) and hydrochloric acid (HCl), an equation that represents the equivalence point would be:

V_{KOH}*M_{KOH}=  V_{HCl}*M_{HCl}

Using that equation and the data given in the problem, we can calculate the volume of potassium hydroxide:

0.723M* V_{KOH}= 79.1mL*1.50 M\\V_{KOH}=\frac{79.1mL*1.50 M}{0.723 M} \\V_{KOH}=164.1mL

8 0
3 years ago
Which particles conduct electricity in graphite​
mylen [45]

Explanation:

Graphite is an electrical conductor, hence useful in such applications as arc lamp electrodes. It can conduct electricity due to the vast electron delocalization within the carbon layers (a phenomenon called aromaticity). These valence electrons are free to move, so are able to conduct electricity.

3 0
3 years ago
The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint:
Semenov [28]

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i do believe its 7

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8 0
3 years ago
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