A thin sheet of nickle measured 5.00 cm by 7.00 cm was found to weigh 0.350 g if the density of nickle is 8.90 g/cm3, what is the thickness of this sheet ?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Which of two curves exhibits exponential growth

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?