Top answers


What is the difference between an aldehyde and a ketone, and what type of molecule can they each be reduced to?

Both aldehydes and ketones have a carbonyl functional group (C=O), however in aldhydes the carbonyl carbon atom is the terminal carbon of the chain, whereas in ketones the carbonyl carbon has two alkyl group...
AP
9133 Views

What are the differences between covalent and ionic bonding?

Covalent bonding is the sharing of pairs of electrons between two non-metallic atoms. Ionic bonding is where electrons are transferred from one atom to another, usually from a metallic atom to a non-metallic...
AP
4006 Views

How do I solve a quadratic equation?

To solve a quadratic equation we need to find the value of x for which a x 2 +b x+c=0,where a,b,c are constants.There are some well known formulas which you should get accustomed with.However,in this answer,...
MG
6322 Views

How do you solve this problem?

The problem is: ‘Tom travels from a to b and at a speed of 90km per hour. It takes him time ‘t’. Alice travels from a to b at a speed of 70km per hour. It takes her time ‘t+ 1 hour’. How long did it take for...
MG
9818 Views

How do I make calculations with percentages?

There is a simple way of making calculations with percentages. Say you want to subtract from a numerical value x,20%. Then multiply it with 80/100. Say you want to add 20%.Then multiply with 120/100. Say you...
MG
5214 Views