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finlep [7]
3 years ago
11

The diagram below shows a cell placed in a solution.

Chemistry
1 answer:
Sholpan [36]3 years ago
3 0

it will expand as water moves into it.


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True or False: In a compound, the combination of elements is always different
dmitriy555 [2]

Answer:

in some cases this is true a compound is a mixture of elements although it is actualy false the diffrence is actualy baced on what elements it is made of like sulfur Dioxide is when sulfur reacts with the contents of the air when burning and reacting but they arnt always diffrent most caces it is just what element you use.

Explanation:

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3 years ago
When a metal bonds with a nonmetal, the bond that is formed is a(n) ___.
bekas [8.4K]
Ionic Bond, which is the transfer of electrons of a metal to a non-metal. 
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The standard free energy of activation of one reaction A is 95.00 kJ mol–1 (22.71 kcal mol–1). The standard free energy of activ
diamong [38]

Answer:

The answer to the questions are as follows

Reaction B is 4426.28 times faster than reaction A

(b) Reaction B is faster.

Explanation:

To solve the question we are meant to compare both reactions to see which one is faster

The values of the given activation energies are as follows

For A

Ea = 95.00 kJ mol–1 (22.71 kcal mol–1) and

for  B

Ea = 74.20 kJ mol–1 (17.73 kcal mol–1)

T is the same for both reactions and is equal to 298 k

Concentration of both reaction = 1M

The Arrhenius Law is given by

k = Ae^{\frac{-E_{a} }{RT} }

Where

k = rate constant

Ea = activation energy

R = universal gas constant

T = temperature  (Kelvin )

A = Arrhenius factor

Therefore

For reaction A, the rate constant k₁ is given by k₁ = Ae^{\frac{-95000}{(8.314)(298)} }

And for B the rate constant k₂ is given by k₂ = Ae^{\frac{-74200 }{(8.314)(298)} }

k₁ = A×2.225×10⁻¹⁷

k₂ = A×9.850×10⁻¹⁴

As seen from the above Reaction B is faster than reaction A by (A×9.850×10⁻¹⁴)/(A×2.225×10⁻¹⁷) or 4426.28 times

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Can someone help me balance this equation please?<br> Br2 + S2O32– + H2O → Br1– + SO42– + H+
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Explanation:

Br2 + S2O32- + 5H2O –> 2Br- + 2SO4 + 10H+ + 6e

7 0
2 years ago
What type of resource are fossil fuels such as coal, oil, and natural gas?
alex41 [277]

They are non-renewable resources that formed when prehistoric plants and animals died and were gradually buried by layers of rock.

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