Chemistry Calculator
Chemistry Problems
Mole Calculator
Stoichiometry Calculator
Balancing Equations Calculator
Chemistry Answers
Flask Q (volume = 1.00 x 103 cm3 ) is filled with ammonia (NH3) at 102 kPa and 300 K. The tap is closed and there is a vacuum in flask P. (Gas constant R = 8.31 J K−1 mol−1 ) Calculate the mass of ammonia
A Level
Related A Level Questions
Nitric acid (HNO3) is a strong acid. Ethanoic acid (CH3COOH) is a weak acid. Write an equation to show how ethanoic acid behaves as a weak acid in its reaction with water.
Elements in the Periodic Table often show periodic trends. Describe and explain the periodic trend in atomic radius and electronegativity from Na to Cl.
What happens to the physical properties(solubility/boiling/melting point) as chain length increases, and as functional groups are added onto the chemical compound?
What is the electron figuration of a copper ion? The n what is the electron configuration of a copper2+ ion
Sodium azide NaN3 has a high melting point. Predict the type of bonding in a crystal of sodium azide. Suggest why its melting point is high. (3)
Levels
All Levels
11 plus
13 Plus
A Level
GCSE
IB
KS3
Mentoring
Scottish Highers
University