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rewona [7]
3 years ago
10

Plz answer soon need answer

Chemistry
2 answers:
marishachu [46]3 years ago
7 0

Answer:

rate is faster

Explanation:

the rate of reaction increases.

Reptile [31]3 years ago
3 0

Answer:

NO ugly BitCĆĆhhhhhh

Explanation:

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A student is given a solution of phenol red of unknown concentration. Solutions of phenol red are bright pink under basic condit
azamat

The  hydrogen ion concentration, [H ], in the solution of phenol red solution of pH 11.20 is 6.3 X 10^{-12} moles/litre.

Explanation:

Data given:

basic solution of phenol red is given as it has pH of 11.2

hydrogen ion concentration = ?

the hydrogen ion concentration is calculated by using the following formula:

pH = -log_{10} [H^{+}]

Rearranging the equation:

[H^{+}]  = \frac{1}{10^{pH} }

Putting the values in the above equation:

[H^{+}] = \frac{1}{10^{11.2} }

[H^{+}] = 6.3 X 10^{-12} moles/litre

The hydrogen ion concentration is very small and the solution of phenol red is basic in nature. The pH of 11.2 also indicates that solution is basic and teh color of the solution is bright pink.

3 0
4 years ago
Balance the following chemical equation <br> __Mg+__O2–&gt;__MgO
mario62 [17]

Answer:

2Mg^+ +O2 right arrow 2MgO

Explanation:

6 0
4 years ago
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What point does the ammonium ions act as a buffer solution? Please this is driving me insane.
Shalnov [3]

Answer:

Explanation:The buffer is a mixture of ammonia (NH3) and ammonium (NH4+). ... Since ammonia (NH3) is a weak base, it will have a pH above 7 and since ammonium (NH4+) is a weak acid, it will have a pH below 7. Ammonia (NH3) is a weak base and ammonium (NH4+) is a weak acid. Ammonia (NH3) is the conjugate base of ammonium (NH4+).

7 0
3 years ago
a little kitten jumps from a tree and hits the ground 2.6 seconds later.with this information calculate the cat's velocity right
Harlamova29_29 [7]
The initial velocity is equal zero 
and the cat falls freely so the acceleration equal 9.81 m/s^2 
V = Vo + g * t 
V = 0 + (9.81 * 2.6) 
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3 0
3 years ago
Silver jewelry is a mixture of silver and copper. If a bracelet has a mass of 23.56 g, and it is 80.1% silver, the mass of silve
Reptile [31]

Answer:

  18.87 g

Explanation:

  80.1% of 23.56 g = 18.87 g is the mass of the silver

6 0
3 years ago
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