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Andrei [34K]
3 years ago
10

1. To become stable, the following element:

Chemistry
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

A

Explanation:

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WITCHER [35]

rdxtyctjhb hhgfdgfbgngu6vtyhgfngmb vcAnswer:

Explanation:

zetrdf6ytcgvhbkjhvgcfxrtdy6ygjhvbjnugyvgjh      

 And esrdytfugihj

Done

4 0
3 years ago
What volume, in mL, of concentrated 16 M nitric acid would you need to use in order to prepare 500.0 mL of a 0.250 M HNO3(aq) so
shtirl [24]

Given :

Initial concentration of nitric acid, C_1 = 16\ M.

Final concentration of nitric acid, C_2 =  0.250 \ M.

Volume of HNO_3, V _2= 500\ mL = 0.5\ L .

To Find :

Volume needed( V_1 ).

Solution :

We know,

C_1V_1 =C_2V_2\\\\16 \times V_1 = 0.250 \times  0.5 \\\\V_1 = \dfrac{0.250 \times  0.5}{16}\\\\V_1 = 0.0078125\ L = 7.8125 \ mL

Hence, this is the required solution.

6 0
3 years ago
Which of the following is included in nuclide symbols, but is not strictly necessary for the identification of the nuclide?
kodGreya [7K]

Answer:

c. isotope number

Explanation:

Mass Number is the sum total of mass of protons and neutrons present in the nucleus of an atom.  Generally they are being used in distinguishing isotopes. E.g Carbon - 12, Carbon - 13

Atomic Number is the number of protons. Every single element has it's unique atomic number and can be used in identification purpose. E.g Carbon - 6, Hydrogen - 1.

The correct option is option C. This is the symbol that is not necessary for the identification of a nuclide.

5 0
3 years ago
Convert 254 ml in kg
lions [1.4K]
It is 0.0254

Hope that helps
3 0
4 years ago
Fill in the coefficients that will balance the following reaction:
Alex17521 [72]

Answer:

To balance a reaction, the amount of reactants must be equal to the amount of products, as stated by the Law of Conservation of Matter. It may help you to keep track of  the number of each element in a list as you try to balance. It's not able to be balanced.

3 0
3 years ago
Read 2 more answers
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