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jarptica [38.1K]
3 years ago
5

Hydrochloric acid is known as strong acid​

Chemistry
1 answer:
bogdanovich [222]3 years ago
7 0

Answer:

Yeah

Explanation:

HCI is a strong acid more H = Stronger acid

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Barium and lead both produce yellow precipitate with the chromate ion as part of their confirmation tests. if you had a sample t
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A metal ion (X) with a charge of 4+ is attracted to non metal ion (Z) with a charge of 3-. Which of these formulas represents th
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2 years ago
The decomposition of hydrogen peroxide follows first order kinetics and has a rate constant of 2.54 x 10-4 s-1 at a certain temp
Eva8 [605]

Answer:

[A]_0=0.400M

Explanation:

Hello.

In this case, since the first-order reaction is said to be linearly related to the rate of reaction:

r=-k[A]

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\frac{d[A]}{dt} =-k[A]

Which integrated is:

ln(\frac{[A]}{[A]_0} )=-kt

And we can calculate the initial concentration of the hydrogen peroxide as follows:

[A]_0=\frac{[A]}{exp(-kt)}

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Best regards!

3 0
3 years ago
HELP PLEASE THIS IS CONFUSING
Rasek [7]

Number of moles = 8.3 x 10⁻¹³

<h3>Further explanation </h3>

The mole is the number of particles(molecules, atoms, ions) contained in a substance

1 mol = 6.02.10²³  particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's =  6.02.10²³

5 x 10¹¹ atoms of Silver :

\tt mol=\dfrac{5\times 10^{11}}{6.02\times 10^{23}}=8.3\times 10^{-13}

5 0
3 years ago
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