Answer:
b. independent/manipulated variable
Explanation:
Independent/manipulated variable - refers to the variable that is changed by the scientist or an experimenter. Only one variable that is independent is required to ensure a fair test in an excellent experiment. As the independent variable is being changed by an experimenter or scientist, data is being recorded simultaneously as they are collected.
1.54×10 −10
one and fifty four-hundreths times ten to the power of negitiive 10
Answer:
A) (3.2g)
Explanation:
Did you reposed this? Because I remember answering this
Answer:
Aluminium was named after alum, which is called 'alumen' in Latin. This name was given by Humphry Davy, an English chemist, who, in 1808, discovered that aluminium could be produced by electrolytic reduction from alumina (aluminium oxide), but did not manage to prove the theory in practice.
Explanation:
N=m(g)/m.wt
n=85/12(1)+16(2) =1.93 moles
