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yulyashka [42]
3 years ago
9

Kobe is testing whether 100 g of substance A, 100 g of substance B, or 100 g of substance C produces more oxygen in a chemical r

eaction at 25°C.
What is the dependent variable?


A). the temperature of the substances


B). the nature of the substances


C). the amount of oxygen produced


D). the masses of the substances
Chemistry
1 answer:
skad [1K]3 years ago
4 0
C, the amount of oxygen produced is the dependent variable since that is what is being measured and it is dependent on which substance is being tested
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If 00810 mol neon gas at the particular temperature and pressure occupies a volume of 214 mL ehat volume would 0.00684 mol neon
Grace [21]

Answer:

V_2=181mL

Explanation:

Hello,

In this case, Avogadro's relationship allows us to relate the moles and the volume of a gas at an initial condition and an a final one as shown below:

\frac{n_1}{V_1}=\frac{n_2}{V_2}

Thus, the volume that 0.00684 mol of neon the same pressure and temperature is computed below as required:

V_2=\frac{V_1*n_2}{n_1}=\frac{214mL*0.00684mol}{0.00810mol}  \\\\V_2=181mL

Best regards.

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3 years ago
Which balance is the centigram balance?<br>1) A<br>2) B
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It is B balance, because it has a 0,01 g divisions scale. The minimun division in A balance is only 0,1 g, i.e, decigram measurement.

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3 years ago
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What is the electron configuration for vanadium (V)? The Periodic Table A. 1s22s22p63s23p64s24d3 B. 1s22s22p63s23p63d5 C. 1s22s2
kramer

The electronic configuration for vanadium (V) in the periodic table is as follows: 1s2 2s2 2p6 3s2 3p6 4s2 3d3 (option D).

<h3>What is electronic configuration?</h3>

Electronic configuration is the the arrangement of electrons in an atom, molecule, or other physical structure like a crystal.

Vanadium is the 23rd element on the periodic table and has chemical symbol V with atomic number 23. It is a transition metal, used in the production of special steels.

This suggests that the electronic configuration of Vanadium will be written as follows: 1s2 2s2 2p6 3s2 3p6 4s2 3d3

Therefore, the electronic configuration for vanadium (V) in the periodic table is as follows: 1s2 2s2 2p6 3s2 3p6 4s2 3d3.

Learn more about electronic configuration at: brainly.com/question/14283892

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HCl            +                    NaOH           ↔             NaCl        +            H2O
(strong                          (strong
   acid)                             base)

In above case, the resultant solution is neutral in nature. 

On other hand, weak acid will react with strong base to form salt and water. But the solution will be basic in nature. Also, strong acid will react with weak base to form salt and water. But the solution will be acidic in nature
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Answer: The charge on one electron is –1.6 x 10–19 coulomb.

Hope this helps!

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