If a car gets 18.7 miles per gallon, how many kilojoules of energy are used per mile? One gallon is equal to 2660 g of octane and the heat of combustion of octane is 47.8 kJ/g. Show all of your work.​

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Compare and contrast solutions and suspensions

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.