The diagram shows a balloon that was rubbed with a piece of cloth what is the change

What’s the percent by mass of carbon in c10h14n2

When would a bouncy ball have the most potential energy

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?