Top answers

Describe the bonding in sodium chloride

Sodium chloride is an ionic compound formed by the strong ionic attractions between positively charged sodium ions (which have lost one electron) and negatively charged chloride ions (which have gained an el...
MF
Answered by Matthew F. • Chemistry tutor
4377 Views

How do you factorise a quadratic equation where the coefficient of x² isn't 1?

Using the formula ax 2 +bx+c, multiply the value of coefficient a, from your equation, with the value of c. Next, try to think of two factors of the number you just calculated, which also add together to mak...
GR
Answered by Grace R. • Maths tutor
3726 Views

One important question type to be able to answer is integrating squared trig functions. like cos^2(x)

This question requires selecting the correct double angle formulae. cos(2x)=2cos^2(x)-1 is rearranged to 1/2(cos(2x)+1) this can now be integrated with the students knowledge of standard integrals. Cos integ...
AR
Answered by Andrew R. • Maths tutor
3582 Views

Summarise the first form of Aquinas’ argument for the existence of God

Things don’t change themselves, they are always changed by something, for example; a marble block into a statue. In order for change to occur, the mover must be in the new state in order to change the object...
KM
2286 Views

Using the vocab provided translate the sentence below into Latin

The gods were calling the women to the temple. god = deus, dei; call = voco (1); woman = femina, feminae; to = ad + accusative; temple = templum, templi. Dei vocabant feminas ad templum
LC
Answered by Luke C. • Latin tutor
2084 Views