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SI Units and Constants Quiz

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Questions and Answers

What is the value of Avogadro’s constant in c.g.s units?

6.022 x 10^23 erg s^-1

6.022 x 10^-23 mol^-1

6.022 x 10^23 mol^-1 (correct)

6.022 x 10^-23 erg s^-1

What is the value of Planck’s constant in c.g.s units?

6.026 x 10^27 J s

6.026 x 10^-34 erg s

6.026 x 10^34 J s

6.026 x 10^-27 erg s (correct)

What is the value of Boltzmann constant (K) in erg K^-1?

1.3806 x 10^-16 erg K^-1 (correct)

1.3806 x 10^-23 J K^-1

1.3806 x 10^23 erg K^-1

1.3806 x 10^-23 erg s^-1

What is the value of Gas constant (R) in L atm mol^-1 K^-1?

0.082 L atm mol^-1 K^-1 Signup and view all the answers

What is the value of Gravitational constant (G) in N m^2 Kg^-2?

6.672 x 10^-11 N m^2 Kg^-2 Signup and view all the answers

What is the value of Avogadro’s constant in c.g.s units?

6.022 x 10^23 mol^-1 Signup and view all the answers

What is the value of Boltzmann constant (K) in erg K^-1?

1.3806 x 10^-16 erg K^-1 Signup and view all the answers

What is the value of Planck’s constant in c.g.s units?

6.026 x 10^-27 erg s Signup and view all the answers

What is the value of Gravitational constant (G) in N m^2 Kg^-2?

6.672 x 10^-11 N m^2 Kg^-2 Signup and view all the answers

What is the value of Gas constant (R) in L atm mol^-1 K^-1?

0.082 L atm mol^-1 K^-1 Signup and view all the answers

Study Notes

Constant Values in Different Units

Avogadro’s Constant:
- Value in c.g.s units: approximately 6.022 x 10^23 mol^-1
Planck’s Constant:
- Value in c.g.s units: approximately 6.626 x 10^-27 erg s
Boltzmann Constant (K):
- Value in erg K^-1: approximately 1.38 x 10^-16 erg K^-1
Gas Constant (R):
- Value in L atm mol^-1 K^-1: approximately 0.0821 L atm mol^-1 K^-1
Gravitational Constant (G):
- Value in N m^2 Kg^-2: approximately 6.674 x 10^-11 N m^2 Kg^-2
Repeated constants:
- Avogadro’s constant, Planck’s constant, Boltzmann constant, Gas constant, and Gravitational constant have been mentioned multiple times, emphasizing their importance in physical chemistry and physics.

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Description

Test your knowledge of SI units and fundamental constants with this quiz. See if you can accurately match the symbol with the corresponding value in both SI units and c.g.s units.