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GCSE

What mass of carbon dioxide is produced from burning 100 grams of ethanol in oxygen according to this reaction: C2H5OH + 3 O2 --> 2 CO2 + 3 H2O

When approaching a question like this I always find it easier to write out the equation with the known quantities written underneath each individual compound. ...

KM
28845 Views

Q: How to solve the simultaneous equations 3x+2y=7 and 5x+y=14

When solving simultaneous equations you are aiming to use both equations together to find out the value of x and y for values that with ‘fit’ in each equation....

KM
Answered by Katherine M. Maths tutor
12504 Views

What is the difference between the aorist tense and the perfect tense?

The aorist tense in Greek represents a single and complete action in the past. The perfect tense represents a past action which still affects the present - the aorist has no affect on the present. 

...
GC
26938 Views

How do you know when a noun is masculine or feminine?

Generally speaking, nouns that end in 'o' are masculine (el niño, el perro) and those that end in 'a' (la piscina, la manzana) are feminine. There are other clues in the endings as well. (there are some e...

ML
Answered by Matthew L. Spanish tutor
5288 Views

Explain what is meant by socialisation

Socialisation is the process of learning a particular cultures norms and values. There are two types of socialisation; primary and secondary socialisation. 

Primary socialisation takes pl...

RP
Answered by Rebecca P. Sociology tutor
40843 Views

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