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lana [24]
3 years ago
15

Merits of modern periodic table?​

Chemistry
1 answer:
ANEK [815]3 years ago
6 0

Answer:

<h3>Merits of modern periodic table:</h3>
  • The wrong position of some elements like argon, potassium, cobalt and nickel due to atomic weights have been solved by arranging the elements in the order of increasing atomic number without changing their own places.
  • The isotopes of some element have the same atomic numbers. Therefore, they find the same position in periodic table.
  • It separates metals from non-metals.
  • The groups of the table are divided into sub groups A and B due to their dissimilar properties which make the study of elements specific and easier.
  • The representative and transition elements have been separated.

Hope this helps...

Good luck on your assignment...

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A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the Temperature
kakasveta [241]

A gas that occupies 4.31 litres at a pressure of 0.755 atm will have a temperature of 39.58°C. Details about temperature can be found below.

<h3>How to calculate temperature?</h3>

The temperature of a gas can be calculated using the following formula:

PV = nRT

Where;

  • P = pressure
  • V = volume
  • n = number of moles
  • R = gas law constant
  • T = temperature

0.755 × 4.31 = 1 × 0.0821 × T

3.25 = 0.0821T

T = 3.25 ÷ 0.0821

T = 39.58°C

Therefore, a gas that occupies 4.31 litres at a pressure of 0.755 atm will have a temperature of 39.58°C.

Learn more about temperature at: brainly.com/question/11464844

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2 years ago
Percent yield is the quantity of product actually produced compared to the quantity _______.
ss7ja [257]

Answer:

Of expected product

Explanation:

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Katarina [22]
Boiling point, melting point, Appearance, mass, and taste.<span />
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In the reaction A + B C, doubling the concentration of A doubles the reaction rate and doubling the concentration of B does not
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Hope this helps!
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