First, the graph of the population versus time is about direct proportional. However, if we see the changes (difference between years), we can see the some differences. First, between 1801 and 1811, there is least population increase in the chart. Between 1811...
Object; Part A - Determine the changing color of the indicator(nethyl orange) in the reaction(HCL + NaOH) and with water.. Part B - Determine the reaction to form Iron Thiocyanate. Discussion; Part A – Q.1 addition of acid --- NaOH + HCL ...
*Station1; test tube, copper (II) sulfate, small piece of zinc *Station2; test tube, iron (III) chloride, small piece of zinc, 5 drops of potassium hexacyanoferrate *Station3; test tube, 1.0M hydrochloric acid, small strip of magnesium metal, wooden splint,...