Answer:
Yes they woll react.
Explanation:
Ferous oxide and zinc will be product.
Chromatography is a way of separating a mixture of chemicals which are in gas or liquid form. when the paper absorbs the liquid, the different colours from the colouring pencils will not be separated because they are insoluble solid pieces,also because they are solid the colours will not be able to creep up the paper which is why chromatography can not be used to separate different coloured pencils.
Answer: It's only one proton in the middle of the red circle there's nothing outside it.
Explanation: I'm not sure sorry :|
hope this helps
Answer:
8.067 g/cm^3
Explanation:
Density = Mass/Volume
where mass = 121g and....
Volume = (35 - 20) = 15ml
where 1ml = 1cm^3
So Density = 121/15
;Density = 8.067 g/cm^3