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Assignment

Sampling

A sample of copper crystals has a mass of 13.6g.the sample is heated to drive off
all the water of crystallisation.the mass is reduced to 8.72g.calculate the formula
of the copper sulphate crystals

asked 2 weeks ago    

Answer

Hi John,
We have got a PDF to help you answer your question.

Click on this link to download the PDF - https://ni.ckzom/790

answered 2 weeks ago    



Assignment

Vector Representation

A man wishes to travel due North in order to cross a river 5km wide flowing due East
at 3kmhr^-1. If he can row at 10kmhr^-1 in still water. Find either scale drawing
or by calculation.
i). The direction in which he must head his boat in order to get to his destination
directly opposite his starting point.
ii). The Resultant Velocity of rhe boat in the river.
iii). The time taken to cross the river.
Iv). How far from his destination he would land if he ignorantly steers northward.

asked a month ago    

Answer

Hi wisdom,

Check out this link - https://ni.ckzom/905

It probably has the solution you are looking for.

answered a month ago    



Assignment

Maths

please help with The correct answer

ass_picture/fryoscience_1500862690_ass.png's assignment photo

ass_picture/fryoscience_1500862690_ass.png's assignment photo

asked 2 months ago    



Assignment

Maths

solutions please

ass_picture/fryoscience_1500857775_ass.png's assignment photo

ass_picture/fryoscience_1500857775_ass.png's assignment photo

asked 2 months ago    



Assignment

Maths

what is the missing number

ass_picture/fryoscience_1500855387_ass.png's assignment photo

ass_picture/fryoscience_1500855387_ass.png's assignment photo

asked 2 months ago