Over a million students use our free study notes to help them with their homework
Ammonia is NH3.Nitrogen has a relative atomic mass of 14.Hydrogen has a relative atomic mass of 1.14 + (3 x 1) = 17Ammonia has a relative molecular mass of 17.
Balancing means that you have the same number of atom on one side as you do on the other. The reason for balancing is because atoms are not lost or created during a reaction. Keep in mind that when you ba...
Theoretical Yield of NaCl = 86.7kg (3sf)Percentage Yield of Iron = 57.7% (3sf)
The bond angle is 104.5 degrees. This is because of the pairs of electrons around the oxygen atom: it has 2 bonded pairs and 2 lone pairs. Lone pairs and bonded pairs of electrons repel each other. Howeve...
A catalyst can provide a different mechanism or pathway for a chemical reaction through stabalistion of the transition state. The catalyst will lower the activation energy of the reaction meaning a greate...
←
122
123
124
125
126
→
Internet Safety
Payment Security
Cyber
Essentials