Search our library of homework questions

Top answers

All subjects

All levels

To what extent do you agree that Charles I's advisors were the main cause of growing opposition to his rule during the years 1629-40?

2740 Views

integrate 5x^2 + x + 2 and find the value of c if the curve lies on the coordinates (1,3)

when integrating you must add one to the power and divide by the new power. so y=(5x^(2 + 1))/3 + (x^(1+1))/2 + 2x + c now substitute 1 for x and 3 for y so 3= (5(1)^(2 + 1))/3 + ((1)^(1+1))/2 + 2(1) +...

Answered by Meherun C. • Maths tutor

3324 Views

balance this equation C8H18 + O2 ---> CO2 + H2O

First split the equation in half. write down the number of each element there is on either side and then see how many more of that atom you need. make sure that there is the same number of carbons oxygens...

Answered by Meherun C. • Chemistry tutor

7297 Views

A ladder 6.8m long is leaning against a wall. The foot of the ladder is 1.5m from the wall. Calculate the distance the ladder reaches up the wall.

For answering this question we need to understand Pythagoras theorem. It states that when a triangle has a right angle (90º) the square of the hypotenuse is equal to the sum of the squares of the two othe...

Answered by Clara V. • Maths tutor

14788 Views

what is the shape and bond angle of NH3 and use VSEPR theory to explain the bond angle.

NH3 has a bond angle of 107 degrees and is pyramidal this is because it has 3 bonded pairs and 1 lone pair. the lone pair repels more than the bonded pairs and this results in the bond angle being 107 deg...

Answered by Meherun C. • Chemistry tutor

25799 Views