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nlexa [21]
2 years ago
15

How could we separate the baking soda from the after after it had already been mixed in? helppp!!!

Chemistry
1 answer:
MArishka [77]2 years ago
7 0

Answer:

i thing by filtering

Explanation:

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3 years ago
To determine the concentration of a sample of calcium hydroxide, 1.45M HCl is added drop-wise using a burst. Write the balanced
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Answer:

H^+(aq) + OH^-(aq) —> H2O(l)

Explanation:

We'll begin by writing the balanced equation for the reaction.

2HCl(aq) + Ca(OH)2(aq) —> CaCl2(aq) + 2H2O(l)

Ca(OH)2 is a strong base and will dissociates as follow:

Ca(OH)2(aq) —> Ca^2+(aq) + 2OH^-(aq)

HCl is a strong acid and will dissociates as follow:

HCl(aq) —> H^+(aq) + Cl^-(aq)

Thus, In solution a double displacement reaction occurs as shown below:

2H^+(aq) + 2Cl^-(aq) + Ca^2+(aq) + 2OH^-(aq) —> Ca^2+(aq) + 2Cl^-(aq) + 2H2O(l)

To get the net ionic equation, cancel out Ca^2+ and 2Cl^-

2H^+(aq) + 2OH^-(aq) —> 2H2O(l)

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3 years ago
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In cells,____ are proteins that are needed to lower the amount of energy required to start chemical reactions.
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Explanation:

Kono Dio Da!!!

7 0
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Question 2 (1 point)
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a mole have have wrong becouse i understand

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