Top answers


What is the relative formula mass of CaCO3?

The relative formula mass (RFM) is simply just a sum of the atomic masses that make up the compound in question. Ca = 40 C = 12 O = 16 RFM of CaCO 3 = 40 + 12 + (16 x 3) = 100 Note we have three oxygens so w...
JH
Answered by Joshua H. Chemistry tutor
73834 Views

24 g of Magnesium reacts with 16 g of Oxygen to produce 40 g of magnesium oxide. What mass of magnesium would you need to produce 10 g of magnesium oxide?

There are two ways to work this out, one is a lot simpler than the other, I will post the simpler method here. The relative formula mass of magnesium oxide, MgO (40), is just a sum of the mass of magnesium (...
JH
Answered by Joshua H. Chemistry tutor
77405 Views

"Guys like us, that work on ranches, are the loneliest guys in the world. They got no family. They don’t belong no place. . . " How true is this statement with regards to the relationships presented in Steinbeck's 'Of Mice and Men'

A question with a good degree of scope to discuss the dependent, almost symbiotic relationship between Lenny and George. The environment is one which perpetuates lonliness - the Great Depression, a focus on ...
FM
Answered by Freya M. English tutor
11809 Views

How do you translate an ablative absolute?

So ablative absolutes can seem scary because they sit there apart from the rest of the sentence, but they're actually super easy! Translating them isn't difficult at all. They can be translated in 3 differen...
MW
Answered by Mabel W. Latin tutor
5768 Views

How can you effectively talk about language and form in an essay?

One of the hardest but most important things to get to grips with when writing an essay is to be able to talk about language and form. It is important to talk about some aspect of this at least once in order...
BB
Answered by Ben B. English tutor
7014 Views