Four groups of students, in different parts of the world, are investigating the reason why the shape of the moon changes from time to time. if the results of their investigations are considered valid, they would most likely be

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Which factor is likely to impact the possible number of compounds ?

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?