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valina [46]
3 years ago
12

Who discovered electrons using Crookes tube?

Chemistry
2 answers:
andrey2020 [161]3 years ago
4 0

Answer:

William Crookes????????????????

Misha Larkins [42]3 years ago
3 0
The answer is D. J.J. Thomson
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Which correctly lists the following in order of increasing entropy? i. 1 mol of HCl (g) at 50 ° C ii. 1 mol of NaCl (s) at 25 °
MaRussiya [10]

Answer:

ii. < iv. < i. < iii.

Explanation:

Hello,

At first, the entropy is lower in solid-phase systems since their particles are molecularly closer. Next, by knowing that the higher the temperature, the higher the entropy, the gaseous HCl at 25 ºC occupies the second place. After that, it is clear 2 moles of HCl have more entropy than just 1 since the larger the amount of mater the higher the entropy.

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7 0
3 years ago
Please Answer! 10 Points!
MA_775_DIABLO [31]
1 is b
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3 years ago
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I don’t wanna fail if you know the answer pls help me :(
mestny [16]

Answer:

Liquid to gas.

Explanation:

8 0
3 years ago
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If 9.6 X 1021 molecules of hydrogen are reacted with excess nitrogen, how many liters of ammonia can be produced at STP?
diamong [38]

The volume of NH₃ produced at STP : 0.237 L

<h3>Further explanation</h3>

Reaction

N₂ + 3H₂ → 2NH₃

1 mol = 6.02 x 10²³ particles

9.6 X 10²¹ molecules of Hydrogen, mol :

\tt \dfrac{9.61\times 10^{21}}{6.02\times 10^{23}}=1.596\times 10^{-2}~moles

mol H₂ : mol NH₃ = 3 : 2

mol NH₃ :

\tt \dfrac{2}{3}\times 1.596\times 10^{-2}=0.0106

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). <em>At STP, Vm is 22.4 liters/mol.</em>

The volume of NH₃ :

\tt 0.0106\times 22.4=0.237~L

<em />

8 0
3 years ago
Where is lithium used in the body?
Ilya [14]

Answer:

Lithium is a naturally occurring alkali metal, which living organisms ingest from dietary sources and which is also present in trace amounts in the human body. In much higher concentrations, lithium is effective as a medication for mania and mood swings including manic depressive disorders

7 0
4 years ago
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