Determine the Ka for CH3NH3 + at 25*C. The Kb for CH3NH2 is 4.4 x 10-4.

Kevin is an oil engineer designing a new pipeline. In order to build the right diameter of pipe, what must he know about the oil they will be transporting through the pipeline?

These biological compounds are nonpolar and insoluble in water:

If 2 electrons are shared equally in bromine, what type of bond is represented

If a leaf falls from a tree we assume that it is in free fall and not affected by air resistance, how many force vectors does the leaf have?

The ideal gas constant, R has several different values that could be used. Which quantity causes these differences? a. pressure b. temperature c. volume d. moles

Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other.

Suppose an ice cube weighing 36.0 g at a temperature of 10°C is placed in 360 g water at a temperature of 20°C. Calculate the temperature after thermal equilibrium is reached, assuming no heat loss to the surroundings.

Why can't all the mixtures be classified as solutions? A. Not all mixtures are heterogeneous B. Not all mixtures are homogeneous C. Not all mixtures have solutes and solvents D. Mixtures are made of only one substance.

Which of the following is a homogeneous mixture? A) Molten ironB) Stainless steelC) Trail mixD) Water

State the general relationship between temperature of the water and the amount of the salt that will dissolve in the water