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MaRussiya [10]
3 years ago
13

Which argument best explains the charge of an atomic nucleus?

Chemistry
2 answers:
xeze [42]3 years ago
6 0
The answer is "<span>An atomic nucleus is positively charged because it is composed of protons". An atomic nucleus actually contains nucleons which are made up of both protons and neutrons. Since neutrons are neutral or have no charge, the charge of an atomic nucleus mainly relies on the positive charge of the protons.</span>
kondaur [170]3 years ago
3 0

Answer:

B) An atomic nucleus is positively charged because it is composed of protons.

Explanation:

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Can someone do this for me on paper
sertanlavr [38]
Yea same I tried so hard I think you need to get a expert or look this up on a website or something
8 0
3 years ago
given the following chemical equation, determine how many grams of N2 are produced by 9.24 of H2O2 nd 6.56g of N2H4
taurus [48]
I think the chemical reaction is:<span>

N2H4 + 2 H2O2-> N2 + 4H2O

We are given the amount reactants allowed to react. This will be the starting point of the reaction. First, is to find the limiting reactant.

9.24 g H2O2 ( 1 mol / 34.02 g ) = 0.27 mol H2O2
6.56  g N2H4 ( 1mol / 32.06) = 0.20 mol N2H4

Since from the reaction we have 1:2 ratio of the reactants then the limiting reactant is hydrogen peroxide. We will use this to find the amount of N2 produced.

0.27 mol H2O2 ( 1 mol N2 / 2 mol H2O2 ) ( 14.01 g N2 / 1 mol N2) =1.89 g N2 </span>
7 0
4 years ago
Your answer should have the same number of significant figures is the start of measurement 400.08mL —— L
Eddi Din [679]
The answer would be .40008L

The word milli- translates to \frac{1}{1000} units. In this case, we have liters as our base unit. So a milliliter is \frac{1}{1000} Liters or you can say that there are:

1,000 mL in 1 L. 

As I understand, you are trying to convert 400.08mL to L. 

So this is how you are going to get it:

400.08mL x \frac{1L}{1,000mL}
= \frac{400.08L}{1,000} = 0.40008L
3 0
4 years ago
What foods have been allowed or banned in which countries? Why? <br> please please help me
qwelly [4]
Kinder eggs were banned in the US for a while because of a 1938 federal law that banned toys to be enclosed within food products.
Marmite was banned in Denmark in 2004 because of a law that resourced food products that were fortified with vitamins. Marmite had yeast extract. Technically, Denmark hasn’t banned Marmite, it’s more the additional vitamins minerals and such.
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5 0
3 years ago
The following questions refer to the graph below, where sulfur trioxide is put into a sealed bottle and allowed to stand over ti
OleMash [197]

The concentration of the sulfur trioxide decreases with time due to its decomposition into sulfur dioxide and oxygen.

<h3>What is the balanced equation for the decomposition of sulfur trioxide into sulfur dioxide and oxygen?</h3>

The balanced equation for the decomposition of sulfur trioxide into sulfur dioxide and oxygen is given below as:

  • 2 SO₃ -----> 2 SO₂ + O₂

The addition of more sulfur trioxide to the bottle will result in increase in the volume of oxygen present as equilibrium will shift towards formation of products.

The addition of more sulfur dioxide to the bottle will result in decrease in the volume of oxygen present as equilibrium will shift towards formation of sulfur trioxide due to increase in product concentration.

Based on the graph, if the bottle is sealed, the concentration of sulfur trioxide will remain in dynamic equilibrium with the concentration of the products after the second day.

Based on the above information and reaction, the best way to reduce the amount of SO3 in the atmosphere, and thus reduce the amount of acid rain is to allow it to decompose before emission into the atmosphere,

Therefore, the concentration of the sulfur trioxide decreases with time due to its decomposition into sulfur dioxide and oxygen.

Learn more about sulfur trioxide decomposition at: brainly.com/question/10982712

#SPJ1

3 0
2 years ago
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