Top answers

What is the difference between oxidation and reduction?

Oxidation and reduction are considered opposites in terms of electrons moving. Oxidation occurs when an electron is lost, while reduction occurs when an electron is gained. It is often seen with oxygen being...
LP
Answered by Luke P. • Chemistry tutor
3152 Views

solve the simultaneous equations x^2 + y^2 = 5 and 3x+1=y

Substitute in y to the first equationx 2 + (3x+1) 2 = 510x 2 + 6x - 4 = 55x 2 +3x-2=0(5x-2)(x+1)x=2/5 or -1Sub these values of x into the first equationy=11/5 and -2
ID
Answered by Isabel D. • Maths tutor
3696 Views

What if I don't understand the unseen poem?

Good question, this has happened to us all! First of all, don't panic. Take time to read through the poem carefully a few times over. Ask yourself the following questions:1) Who is the speaker? ( not the sam...
EM
6241 Views

Which one of the following is the most likely consequence of an increase in the division of labour in the production of smartphones?

Decrease in the cost per unit of the phone, as specialisation means greater levels of efficiency meaning more output can be achieved with the same resources, lowering the cost of production per unit. Special...
OU
Answered by Oke U. • Economics tutor
7944 Views

How do I balance C4H8 + O2 --> CO2 + H2O?

When balancing a reaction, you first want to count how many particles there are of each element on each side.You then want to try and make both sides the same for each element. In this case we're going to st...
AK
Answered by Aiman K. • Chemistry tutor
7853 Views