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24.5g of CH3CH2CH2Br was reacted with ammonia to form CH3CH2CH2NH2 at a 75.0% yield, calculate the mass of the product formed.

The first step is to calculate the moles of the reactant CH 3 CH 2 CH 2 Br. To do this you need the formula:moles = m/Mr where m is the mass in grams and Mr is the molar mass which can be worked out using th...
MC
Answered by Matthew C. • Chemistry tutor
6546 Views

In Aeneid VII.10-24, how does Virgil make his description of Circe's land menacing?

Throughout this passage, a foreboding and menacing atmosphere is masterfully evoked by Virgil. From the very first sentence of this passage we are on tenterhooks, with the delaying of the verb 'raduntur' unt...
AV
Answered by Alexander V. • Latin tutor
3238 Views

What are the assumptions of perfect competition?

Large number of firms and consumersEach firm is a price-taker and hence has no price setting powerThe price is determined in the market by supply and demandProducts are homogenous and are therefore perfect s...
EB
Answered by Emily B. • Economics tutor
2274 Views

How many roots does the equation x^2 = x + 12 have and what are they?

x 2 -x -12 = 0. Here we have rearranged the equation so that we have 0 on one side of the equation, allowing us to now factorise. (x - 4)(x+3) = 0. By looking at the equation we can see that the number 12 ha...
JE
Answered by Juzer E. • Maths tutor
4556 Views

What is "Point-Evidence-Explanation (PEE)"?

"Point-Evidence-Explanation" is the basic structure that all good essay answers should follow. First you have the POINT, the argument that you want to make about a particular book, character, passa...
VS
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