Chemistry, 10.05.2021 14:00 kat9490

In an experiment, a piece of magnesium ribbon was cleaned with steel wool 2.4g of the clean magnesium ribbon was placed in a crucible and completely burnt in oxygen
After cooling the product weighed 4.0g To remune
a) Explain why it is necessary to clean magnesium ribbon
b) What observation was made in the crucible after burning magnesium ribbon?
c) Why was there an increase in mass?
d) Write an equation for the major chemical reaction which took place in the crucible
e) The product in the crucible was shaken with water and filtered. State and explain the
observation which was made when red and blue litmus paper were dropped into the filtrate

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 03:10, nyameneak

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Answers: 3

continue

Chemistry, 22.06.2019 10:00, nana54muller

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.

Answers: 1

continue

Chemistry, 22.06.2019 13:10, mallyosburn

Draw two cyclic constitutional isomers of cis-1

Answers: 2

continue

Chemistry, 22.06.2019 19:10, asdfghhk9805

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !

Answers: 2

continue

You know the right answer?

In an experiment, a piece of magnesium ribbon was cleaned with steel wool 2.4g of the clean magnes...