What type of reaction is NaCl to Na + Cl2

1 answer:

3 0

Info: NACl2 might be an improperly capitalized: NaCl2. Balanced equation: NA + Cl2 = NACl2. Reaction type: synthesis. Please tell about this free chemistry ...

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How many grams of glucose (C6H12O6) can be formed from 22 grams of CO2?

Shkiper50 [21]

The catabolism of glucose has an equation of C6H12O6 + 6O2 = 6CO2 +6 H20. Hence for every mole of glucose, 6 moles of CO2 is produced. Given 22 grams of CO2, that is 0.5 mol CO2, we multiply this by 1/6, we get the number of moles of glucose equal to 1/12 mol. The mass of glucose needed is obtained by multiplying this by molar mass of glucose which is 180 g/mol. This is equivalent 15 grams of glucose.

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We know that the law of conservation of energy states that energy can not be created or destroyed. It only changes form. Conside

mario62 [17]

I'm not sure but I think the answer is C or D.

I think A is not possible because where did the energy go if it's not transformed?

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Answer:Nothing, the photon just bounces off the surface.

Explanation:

According to Albert Einstein, a photoelectron can only be emitted from a metal surface when the energy of the incident photon is greater than the work function of the metal.

In the scenario described in the question, the work function of the metal is greater than the energy of the photon. Hence, the photon just bounces off the metal surface without emitting any electron.

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Radiation can cause long-term problems once it enters the environment.

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- The subatomic particle possessing the largest

Ierofanga [76]

Answer:

B. electrons possess the largest charge-to-mass ratio among the subatomic particles listed in the four choices.

Explanation:

Consider the mass of each particle. Express the masses in atomic mass units:

Protons: approximately 1.007 amu each;
Neutrons: approximately 1.009 amu each;
Electrons: approximately 0.0005 amu each.

Similarly, consider the charge on each particle. Express the charges in multiples of the fundamental charge:

Protons: +1 e;
Neutrons: 0;
Electrons: -1 e.

Calculate the charge-to-mass ratio for the three species:

Protons: approximately $\rm 0.99\; e\cdot amu^{-1}$ ;
Neutrons: 0;
Electrons: approximately $\rm 1,800\;e \cdot amu^{-1}$ .

Almost all nuclei contain protons and neutrons. The only exception is the hydrogen-1 nucleus, which contains only one proton and no neutron. The mass of the nucleus is approximately the same as the sum of its components' masses. The extra neutron will only add to the mass of the nucleus (the denominator) without contributing to the charge (the numerator.) As a result, the charge-to-mass ratio of nuclei will be positive but no greater than the charge-to-mass ratio of protons.

Among the particles in the four choices, the charge-to-mass ratio is the greatest for electrons.

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