Question
How many moles of helium gas occupy 22.4 litres at 0°C and 1 atmosphere?
Solution
One mole of helium at 0°C and 1 atmosphere occupies 22·4 litres.
How many moles of helium gas occupy 22.4 litres at 0°C and 1 atmosphere?
One mole of helium at 0°C and 1 atmosphere occupies 22·4 litres.
Define the term significant figures.
What is the number of significant figures in 0.0026?
What is the number of significant figures in 9.984?
Express the Avogadro's number (6·023×1023) upto three significant figures.
What is the result of (5.472 - 1.12) to the appropriate number of signficant figures?
Express 0.0468 in scientific notation.
What does SI units stand for?
What is the relation between temperature in Kelvin (K) and temperature on centigrade scale?
The popular unit of pressure is atmosphere, how is it related to pascal?
Mock Test Series
