l a magnesium ribbon of mass 4.0g is placed in a dilute hydrochloric acid contained in beaker .calculate the number of moles of hydrochloric acid that would be required to react completely with the ribbon.(Mg =2400, Cl =35.5) solve​

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 statement best describes the flow of energy in this scenario

How many moles are contained in 5.6 l of h2 at stp