For the reaction: C4H10 + O2 = CO2 + H2O a.) what weight of C4H10 in grams is needed for 3.01 x 10^23 particles of O2?
b.) how many moles of CO2 will be produced from 5.0 moles of C4H10?
c.) what weight in grams of H2O will be produced from 12.5 mL of C4H10?
Density(p) of C4H10 = 0.506 g/mL

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction