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?
mol

Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag