1.9 2.
Hydrocarbons are compounds consisting of carbon and hydrogen atoms only.
Calculate a) the empirical formula and b) the molecular formula of a hydrocarbon with
a relative molecular mass of 30, and which contains 80% carbon.

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

reserve is the answer

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada