The sun produces energy via fusion. one of the fusion reactions that occurs in the sun is 411h→42he+201e how much energy in joules is released by the fusion of 2.01 g of hydrogen-1? express your answer to three significant figures and include the appropriate units.

The energy released for the the given amount of hydrogen -1 atom is

Explanation:

First we have to calculate the mass defect .

The given equation follows:

To calculate the mass defect, we use the equation:

Mass defect = Sum of mass of product - Sum of mass of reactant

We know that:

Putting values in above equation, we get:

(Conversion factor: 1 kg = 1000 g )

To calculate the energy released, we use Einstein equation, which is:

The energy released for 4 moles of hydrogen atom is

To calculate the number of moles, we use the equation:

Given mass of hydrogen atom = 2.01 g

Molar mass of hydrogen atom = 1 g/mol

Putting values in above equation, we get:

We need to calculate the energy released for the fusion of given amount of hydrogen atom. By applying unitary method, we get:

As, 4 moles of hydrogen atom releases energy of =

Then, 2.01 moles of hydrogen atom will release energy of =

Hence, the energy released for the the given amount of hydrogen -1 atom is

answer: option (4) is the correct answer.

explanation:

areas which are at low altitudes and near the equator tend to receive direct sunlight from the sun. hence, heat energy or radiations from the sun make these areas warmer and they have warmest water.

whereas areas which are at high altitudes and away from the equator do no receive direct sunlight. hence, no direct contact from the sun makes these regions colder and thus, they have colder water.

thus, we can conclude that the statement areas at low latitudes near the equator have the warmest water because they receive the most direct sunlight best explains the relationship between an area's geography and the temperature of its surface water.

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