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dedylja [7]
3 years ago
8

Isotopes of the same element will have a different number of neutrons, but the same number of protons. TRUE OR FALSE

Chemistry
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

TRUE

Explanation:

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A flexible container at an initial volume of 6.13 L contains 2.51 mol of gas. More gas is then added to the container until it r
aleksley [76]

Answer:

2.12 moles of gas were added.

Explanation:

We can solve this problem by using<em> Avogadro's law</em>, which states that at constant temperature and pressure:

  • V₁n₂=V₂n₁

Where in this case:

  • V₁ = 6.13 L
  • n₂ = ?
  • V₂ = 11.3 L
  • n₁ = 2.51 mol

We <u>input the data</u>:

  • 6.13 L * n₂ = 11.3 L * 2.51 mol
  • n₂ = 4.63

As <em>4.63 moles is the final number of moles</em>, the number of moles added is:

  • 4.63 - 2.51 = 2.12 moles
5 0
3 years ago
What does it mean to have protein in your urine?
konstantin123 [22]
It is often a sign of kidney problems. :)
6 0
3 years ago
Starch is a natural polymer composed of
mart [117]

Answer:

Starch is a natural polymer composed of glucose molecules.

Explanation:

Monke demands points.

8 0
3 years ago
Read 2 more answers
How do you do these?
Agata [3.3K]

Solve these problems like weighted averages:

The first one:

Multiply the masses (isotope numbers) by the decimal form of the percentage. Add them

0.076 (6) + 0.924 (7) = 6.924


The second one:

0.2 (10) + 0.8 (11) = 10.8


If you think about it, these answers make sense. 6.924 is much closer to 7 than to 6 (since there's a lot more lithium-7 than there is lithium-6). 10.8 is closer to 11 than to 10.


6 0
3 years ago
How to balance Kmno4 + H2 So4+ CH3CH2OH-&gt; K2So4+ mnso4 + CH3COOH + H2o by oxidation number method ​
dezoksy [38]

Answer:

Ethanol + Potassium Permanganate + Sulfuric Acid = Acetic Acid + Manganese(II) Sulfate + Water + Potassium Sulfate

Explanation:

5 0
3 years ago
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