Ask question

Ask question

All categories

2 years ago

8

If a photon dropping from the n = 7 to the n = 1 level hit the surface of Au, what would be the wavelength of the ejected electr

on in nanometers?

1 answer:

Alex787 [66]2 years ago

5 0

Answer:

here's the answer.hope it helps

You might be interested in

If 25.3 grams of mercury(II) oxide react to form 23.4 grams of mercury, how many grams of oxygen must simultaneously be formed?

sergij07 [2.7K]

Answer : The mass of oxygen formed must be 3.8 grams.

Explanation :

Law of conservation of mass : It states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

The balanced chemical reaction will be,

$2HgO\rightarrow 2Hg+O_2$

According to the law of conservation of mass,

Total mass of reactant side = Total mass of product side

Total mass of $2HgO$ = Total mass of $2Hg+O_2$

As we are given :

The mass of $HgO$ = 25.3 grams

The mass of $Hg$ = 23.4 grams

So,

$2\times 25.3g=2\times 23.4g+\text{Mass of }O_2$

$50.6g=46.8g+\text{Mass of }O_2$

$\text{Mass of }O_2=3.8g$

Therefore, the mass of oxygen formed must be 3.8 grams.

6 0

3 years ago

A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is

Brilliant_brown [7]

But what is the width of the molecule

5 0

2 years ago

Where do Alkanes come from

bagirrra123 [75]

Answer:

Alkanes naturally occur in crude oil and are a major component of many fuels and solvents derived from petroleum

3 0

3 years ago

Consider the volume of gas collected in the trial in Experiment 2 for Ni at

ZanzabumX [31]

Answer:

Explanation:

H20

5 0

2 years ago

What is a chemical change and what is a chemical property? Give Example.

nordsb [41]

Look it up on google

8 0

2 years ago

Read 2 more answers