alexus4583 alexus4583

23-01-2024
Chemistry

contestada

When copper powder is heated in a watch glass, a black substance is formed.
(i) Why is this black substance formed ? Name it. How can this black substance be reversed to its original form?

Respuesta :

Otras preguntas

A dog walk a lady 8.0m due north and then 6.0m due East. Determine the magnitude of the dogs total Displacement.

When do we use who and when do we use whom in a sentence?

short dialogue between two friends on the subject of income tax class

You just calculated that there would be 0.03 moles of Na₂O. The molar mass of Na₂O is 61.98 g/mol. How can you find the mass of 0.03 moles of Na₂O?

What is 4 divided by 4/7 in simplest form

What if Ecological Footprints Changed?

Can you solve this please

is the rate of change of the function 5?

S What is the perimeter of this shape? Give your answer in centimetres (cm) to 1 d.p. 5 cm D H 4 cm E 9 cm F 5 cm G Watch video

we want to model vibrations caused by a particle getting caught up in a centrifugal pump with mass, m, in the impeller. the particle acts as a rotating unbalanc