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Calculate the amount (in moles) of iron 3 nitrate in a 2.16g sample.

Formula of Iron 3 Nitrate is Fe(NO3)3. Moles = mass/Mr. Already given mass = 2.16g Want to work out amount in moles. Need to calculate Mr of Iron 3 nitrate, put into equation with mass -> find moles. Usin...
KW
8356 Views

You are asked to find the Young modulus for a metal using a sample of wire. *(a) Describe the apparatus you would use, the measurements you would take and explain how you would use them to determine the Young modulus for the metal.

Apparatus: The wire is secured by a clamp and clamp stand A hanging mass is attached to the end of it, where the mass hung can be changed A Vernier scale or ruler may be attached to the apparatus to measure ...
RH
Answered by Robert H. • Physics tutor
8530 Views

When do we use the present tense?

We use the present tense when we're describing what we're doing now or something we do regularly . Examples: Je vais au cinema Je joue au foot Phrases we use with the present tense: maintenant - now en ce mo...
NA
Answered by Natasha A. • French tutor
3136 Views

What should I include in my Personal Statement when applying to study medicine?

When writing a personal statement for medicine there are a few things that MUST be included. Unlike with other subjects such as chemistry or biology where you'll have some idea of what the subject entails; M...
SD
1904 Views

What exactly is determinism?

Determinism is the opposite to having free will over your behaviour, so you have no free will/ no control over your behaviour, and your behaviour is therefore caused by other external factors. There are two ...
AC
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