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vazorg [7]
3 years ago
10

when a substance donates a proton during a chemical reaction, that substance can be classified as a(an) ___ ?

Chemistry
1 answer:
Anarel [89]3 years ago
4 0

Answer:

An acid

Explanation:

According to the Arrhenius theory of acids and bases "an Arrhenius acid is a compound that increases the concentration of H+ ions that are present when added to water"

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Answer:

centro of the eqrhtjrurjfjrnfbfn

6 0
3 years ago
For a first-order reaction, A → B, the rate coefficient was found to be 3.4 × 10-4 s-1 at 23 °C. After 5.0 h, the concentration
Illusion [34]

Answer:

the original concentration of A = 0.0817092  M

Explanation:

A reaction is considered to be of first order it it strictly obeys the graphical equation method.

k_1 = \dfrac{2.303}{t}log \dfrac{a}{a-x}

where;

k = the specific rate coefficient  = 3.4 × 10⁻⁴ s⁻¹

t = time   = 5.0 h = 5.0 × 3600 = 18000 seconds

a = initial concentration = ???

a - x = remaining concentration of initial concentration at time t = 0.00018 mol L⁻¹

3.4 \times 10^{-4}= \dfrac{2.303}{18000}log \dfrac{a}{0.00018}

3.4 \times 10^{-4}= 1.27944 \times 10^{-4} \times log \dfrac{a}{0.00018}

\dfrac{3.4 \times 10^{-4}}{1.27944 \times 10^{-4}}=   log \dfrac{a}{0.00018}

2.657=   log \dfrac{a}{0.00018}

10^{2.657}= \dfrac{a}{0.00018}

453.94 = \dfrac{a}{0.00018}

a =453.94 \times 0.00018

a = 0.0817092  M

Thus , the original concentration of A = 0.0817092  M

8 0
3 years ago
PLEASE HELP URGENT WILL GOVE BRANLIEST WITH EXPLANATION
Ymorist [56]

Answer:

no because it already had it in there and it exploded by a fuse

Explanation:

Hope this helps?? :))

6 0
3 years ago
What is the atomic number? what is the atomic mass (a.k.a. mass number?
Oksanka [162]
Is the number of protons in an atom, or the total positive charge of an atom.
3 0
3 years ago
Which of the following is a limitation of Bohr's model?
Murljashka [212]

Answer:

 The answer is:

The first option

Explanation:

6 0
3 years ago
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