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3 years ago

What is the energy of a photon that has a frequency of 0.5 Hz?

Chemistry

1 answer:

fomenos3 years ago

5 0

<h3>Answer:</h3>

3.313 × 10^-34 Joules

<h3>Explanation:</h3>

The frequency of a photon is 0.5 Hz

Required to find the energy of a photon;

We need to use the formula for energy of a photon;

Energy,E=hf, where h is the plank's constant and f is the frequency of the photon.

Plank's constant, h = 6.626 × 10^-34 J-s

Therefore;

Energy = 6.626 × 10^-34 J-s × 0.5 Hz

= 3.313 × 10^-34 Joules

Thus, the energy of a photon with a frequency of 0.5 is 3.313 × 10^-34 Joules

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Equation balancing

meriva

<u>Answer:</u>

<u>For a:</u> The balanced equation is $2S(s)+3O_2(g)\rightarrow 2SO_3(g)$

<u>For c:</u> The balanced equation is $2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

<u>Explanation:</u>

A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.

<u>For (a):</u>

The given unbalanced equation follows:

$S(s)+O_2(g)\rightarrow SO_3(g)$

To balance the equation, we must balance the atoms by adding 2 infront of both $S(s)$ and $SO_3$ and 3 in front of $O_2$

For the balanced chemical equation:

$2S(s)+3O_2(g)\rightarrow 2SO_3(g)$

<u>For (b):</u>

The given balanced equation follows:

$2Al(s)+3Cl_2(g)\rightarrow 2AlCl_3(s)$

The given equation is already balanced.

<u>For (c):</u>

The given unbalanced equation follows:

$2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+H_2O(l)$

To balance the equation, we must balance the atoms by adding 2 infront of $H_2O(l)$

For the balanced chemical equation:

$2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

<u>For (d):</u>

The given balanced equation follows:

$C_3H_8(g)+5O_2(g)\rightarrow 3CO_2(g)+4H_2O(g)$

The given equation is already balanced.

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3 years ago

What might your life be like if Mr. Fleming didn't notice that the mold killed the bacteria?

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Answer:

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Explanation:

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Answer:

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4 years ago

The study of Environmental Science includes which of the following?

stepan [7]

Answer:

Hi, There! the Correct Answer is below!

C.)interactions between humans and living and non-living things in the environment

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Environmental scientists study subjects like the understanding of earth processes, evaluating alternative energy systems, pollution control and mitigation, natural resource management, and the effects of global climate change. ... Environmental scientists bring a systems approach to the analysis of environmental problems.

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