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Vlad [161]
3 years ago
14

Is c7h16+o2→co2+8h2o+7co2 a balanced equation

Chemistry
1 answer:
erik [133]3 years ago
7 0
<span>C7H16 + 11 O2 = 7 CO2 + 8 H2O
 
If you write it like this then it is balanced.</span>
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2 years ago
What characteristics are shared by all alkali metals and alkaline earth metals?
serious [3.7K]

Answer:

All alkali and alkaline earth metals dissolves in water to form alkaline solutions.

Explanation:

The alkali metals are found in group one of the periodic table while the alkaline earth metals are found in group 2. These two groups of elements are quite reactive and they react very well with air and water. All the elements in the two groups react with water to give rise to alkaline solutions; solutions whose pH range from 8 to 14.

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3 years ago
What letter represents the activation energy for the reverse reaction?
Bezzdna [24]

<u>Answer:</u> The correct answer is Option 4: U

<u>Explanation:</u>

Activation energy is defined as the energy that is given to a chemical system with potential reactants to produce products. It is represented as E_{ac}

It is represented as the energy from the reactants to the activated complex.

Reverse reaction is defined as the reaction in which the products formed become reactants and leads to the formation of reactants back.

So, here, the activation energy of the reverse reaction is the energy between the products and the activated complex, which is represented as letter U in the given graph.

Hence, the correct answer is Option 4: U

3 0
3 years ago
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