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3 years ago

H2O2

Chemistry

2 answers:

Daniel [21]3 years ago

5 0

Explanation:

Identify the areas of the following atomic model, Explain how these are related to the formatio

antoniya [11.8K]3 years ago

4 0

Answer: This a redoc reaction.

The total ionic equation in separated aqueous solution will be,

$2H^+(aq)+2O^{-}(aq)+Mg^{2+}(aq)+SO_3^{2-}(aq)\rightarrow Mg^{2+}(aq)+SO_4^{2-}(aq)+H_2O(l)$

Explanation :

The given reaction is a redox reaction in which the oxygen shows reduction and sulfur shows oxidation reaction.

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

$H_2O_2(aq)+MgSO_3(aq)\rightarrow MgSO_4(aq)+H_2O(l)$

The total ionic equation in separated aqueous solution will be,

$2H^+(aq)+2O^{-}(aq)+Mg^{2+}(aq)+SO_3^{2-}(aq)\rightarrow Mg^{2+}(aq)+SO_4^{2-}(aq)+H_2O(l)$

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Classify each phrase according to whether it applies to photophosphorylation, oxidative phosphorylation, or both

chubhunter [2.5K]

Answer:

1. Both

2. Phosphorylation

3. Both

4. Phosphorylation

5. Oxidative.

6. Both

Explanation:

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2 years ago

What is the net ionic equation for AgNO3 and Na2CO3

natima [27]

2Ag+(aq) + CO2-_3(aq)-----------Ag2CO3

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2 years ago

A solution of salt water is boiled. The water evaporates and solid salt remains. Which statement is true?

kow [346]

The answer would be C.

The salt and the water have both undergone physical changes.

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3 years ago

Read 2 more answers

When 1.04g of cyclopropane was burnt in excess oxygen in a bomb calorimeter, the temperature rose by 3.69K. The total heat capac

STatiana [176]

Answer:

$\Delta _{comb}H=-2,093\frac{kJ}{mol}$

Explanation:

Hello!

In this case, since these calorimetry problems are characterized by the fact that the calorimeter absorbs the heat released by the combustion of the substance, we can write:

$Q_{rxn}+Q_{cal}=0$

Thus, given the temperature change and the total heat capacity, we obtain the following total heat of reaction:

$Q_{rxn}=-14.01kJ/K*3.69K\\\\Q_{rxn}=-51.70kJ$

Now, by dividing by the moles in 1.04 g of cyclopropane (42.09 g/mol) we obtain the enthalpy of combustion of this fuel:

$n=\frac{1.04g}{42.09g/mol}=0.0247mol\\\\\Delta _{comb}H=\frac{Q_{rxn}}{n}\\\\ \Delta _{comb}H=-2,093\frac{kJ}{mol}$

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2 years ago

A clam farmer has been keeping records of the water temperature and the number of clams developing from fertilized eggs. The dat

adoni [48]

Answer:

The dependent variable is the number of clams developing from fertilized eggs.

The independent variable is the water temperature

The optimum temperature for clam development is 30 degrees centigrade.

Explanation:

The graph of the number of clams developing from fertilized eggs and water temperature is attached to this answer.

The independent variable is being manipulated in an experiment. As it changes, it produces a corresponding change in the dependent variable.

Here, the water temperature is the independent variable. As it changes, the number of clams developing from fertilized eggs (dependent variable) also changes alongside.

The optimum temperature is the temperature at which the greatest number of clams developing from fertilized eggs is produced. We can see from the graph that this temperature is 30 degrees centigrade.

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2 years ago