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KiRa [710]
3 years ago
10

A reaction occurs when solid X is placed into solution Y. As a result, the temperature of the new solution increases by 3°C. The

Chemistry
1 answer:
Hoochie [10]3 years ago
8 0

Answer:Increased the number of molecular collisions and increased the reaction rate

Explanation:

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An electrolytic cell is based upon a nonspontaneous reaction; the Eocell for the reaction is _____.
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In an electrochemical cell in which the oxidation reaction is nonspontaneous  the oxidation will not occur spontaneously at the anode and the reduction will not be spontaneous at the cathode.  And according to the law for the calculation of the voltage potential of the electrochemical cell (Ecell):

Ecell = Eox. - Ere.  where (Eox. is the potential of the oxidation at the anode and Ere. is the potential of the reduction at the cathode). The standard potential for an electrolytic cell is negative, because of the Ere. which is greater than Eox.

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What is the percentage of water in hydrated calcium chloride​
earnstyle [38]

Answer:

24.5%

Explanation:

You just add up the atomic masses.  

Ca - 40.078  

Cl2 - 35.4527 x 2 = 70.9054  

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H4 - 1.00794 x 4 = 4.03176  

O2 - 31.9998  

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TOTAL - 147.01396  

So the water is 36.03056/147.01396 = .245082576 but that is only accurate to three decimals (because the mass of Ca was only given to three decimals) so we write .245 and that is 24.5%

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