Posts by auburn

Total # Posts: 6

Geography
Which of the following are used to calculate total population growth of an area? Choose 3. A. Life expectancy B. Migration C. Male-female ratio D. Crude death rate E. Crude birth rate I chose A, D, E. Is this correct?

chemistry
thank you

chemistry
how do you turn grams into moles/molecules?

chemistry
a candle was 27.9 grams. the mass of the candle that burned in 3 minutes was 7.2 grams. a) How many moles of wax were in the candle before it burned ? b) How many molecules are in the candle before it burned? c) How many moles of wax were used up during the burning? d) How ...

chemistry
1) What 2 resources are used up as a candle burns? 2) What has happened to the atoms in these resources? 3) Is it possible to recover these 2 resources after theyve been used?

spanish
i was wondering if the following sentences correctly use the preterite and/ or imperfect: Juan pensaba que fue al amore al principio vista, pero Isabel empezo a trabjar con juan una dia despues de trabajo, Juan pidiera Isabel a comiera la cena con el