Top answers

When you are working out dy/dx = 0, why do you do this and what does it mean?

It relates back to what we actually mean why we say dy/dx. Simply put, dy/dx means the rate of change of y with respect to the rate of change in x over a infinitely small space of time. Therefore, when we ar...
MJ
Answered by Matthew J. • Maths tutor
31955 Views

What is the sequence of events involved in transmission across a cholinergic synapse

For transmission across the synapse to be initiated, an action potential must arrive at the pre-synaptic knob and open voltage- gated ion channels. Once the channels are open, calcium ions are able to diffus...
ES
Answered by Ellen S. • Biology tutor
14334 Views

How does Margaret Atwood create a sense of reality in her novel, ‘The Handmaid’s Tale’?

Intro: Start with a relevant quote : ‘context is all’. We are encouraged to remember this throughout the novel. Atwood’s realism is strongly connected to the events within the novel which are based on real l...
MS
12378 Views

What is the difference between a s20 non-fatal offence against the person and a s18 offence?

One main difference between a s20 and s18 offence concerns the mens rea, or 'mental state', of the defendant. For a s20 offence, the defendant must intentionally or recklessly wound or inflict grievous bodil...
TE
Answered by Tanya E. • Law tutor
36729 Views

Part 2: from the empirical formula, calculate the molecular formula if the molecular weight of the substance is 180 g/mol

Molcular weight of CH2O = 30 g/mol 180/30 = 6 Molecular formula = C6H12O6
RT
Answered by Rachael T. • Chemistry tutor
2330 Views