A sample of C3H8 has 7.52*1024 H atoms. How many carbon atoms does the sample contain? What is the total mass of the sample?

31.580 + 4.26 = 35.8 35.84 35.840

In general, what is the effect of increased temperature on the solubility of a gas?

What is it called when water drops form on objects? Why does this happen?

Which of the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply. a. hydrogen bonding b. permanent covalent bonding c. electrostatic interactions d. van der Waals interactions e.

Angiosperms reproduce with A. Spores B. Seeds C. Cones D. Amniotic Eggs

At a certain temperature this reaction follows second-order kinetics with a rate constant of 14.1 M-1s-1 : 2SO3g - -> 2SO2g + O2g Suppose a vessel contains SO3 at a concentration of 1.44M. Calculate the concentration of SO3 in the vessel 0.

A fusion reaction takes places between carbon and another element. Neutrons are realeased, and a different element is formed. The different element is?

What is the molarity of a solution prepared by dissolving 1.56 g of gaseous hcl (molar mass = 36.5 g into enough water to make 26.8 ml of solution?

Elementary row operations on an augmented matrix never change the the solution set of the associated linear system. True or False?

Element A has an electronegativity of 2.20. Element B has an electronegativity of 3.44. The bond of molecule AB is then best described as a: