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nadezda [96]
3 years ago
14

6. As you go down a family or group on the periodic table *

Chemistry
1 answer:
Mamont248 [21]3 years ago
4 0

None of the given statements are completely true.

<u>Explanation</u>:  

Family or groups in "periodic table" are 18 in number which represents column in table. As we go down in a family or group in the "periodic table"-the atom size become bigger and bigger. Non-Metals are less reactive which mostly lie in p-block. "Metals" are ""ore reactive" in "s-block". The atom’s valence electrons remain same for example when we go down in alkali metals in s-block the valence electron is one only and in alkaline earth metals its two only.

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A reaction has ∆H = −356 kJ and ∆S = −36 J/K. Calculate ∆G (kJ) at 25°C.
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Answer: -345.2 KJ

Explanation: As we know that ,dG=dH-TdS

T=25+273=298 K

dG= -356 x1000-298(-36)= -356000+10728

=-345272 j

= -345.2 KJ

5 0
2 years ago
Which of the following is the correct molecule for dinitrogen trisulfide?
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Answer:

A. N2S3

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Explanation:

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How many moles of gold atoms do 4.05×1024 gold atoms constitute?
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Explanation:

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3 years ago
Which of the following environmental risks is most likely to lead to digestive health issues?
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A sample of argon gas has a volume of 73 mL at a pressure of 1.20 atm and a temperature of 112 degrees Celsius. What is the fina
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Answer:

V₂ → 106.6 mL

Explanation:

We apply the Ideal Gases Law to solve the problem. For the two situations:

P . V = n . R . T

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As R is a constant, the formula to solve this is: P . V / T

P₁ . V₁ / T₁ = P₂ .V₂ / T₂   Let's replace data:

(1.20 atm . 73mL) / 112°C = (0.55 atm . V₂) / 75°C

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58.66 mL.atm / 0.55 atm = V₂ → 106.6 mL

3 0
3 years ago
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