If we know this is a second-order reaction, what is the rate law?

A bead has a mass of 15 g. You place it in a graduated cylinder that has 20 mL of water. After placing the bead in, the water level is now 30 ml. What is the density of the bead?

The composition of moist air is given on a molar basis to be 78 percent N2, 20 percent O2, and 2 percent water vapor. Determine the mass fractions of the constituents of air.

What is meant by the term sensitivity in Analytical Chemistry? (a) The term refers to the limit at which the absorption instrument could be recorded (b) The slope of the calibration curve or a function of analyte concentration or amount.

Why is oil unable to dissolve well in water? Water is polar and oil is nonpolar, which means they have no attraction for each other. Oil molecules are too large to fit between the closely spaced water molecules in the liquid state.

Only a few elements are dissolved in sea water. True or False

The capacity of an eye dropper would be a few a kilometers be leiters C deciliters d milliluters

2C 2 H 6 + 7O 2 * **>4CO 2 + 6H 2 O if 7.0 g of C 2 H 6 react with 18 g of O 2, how many grams of water will be produced

22 days converted into how many seconds?

How do you do percent composition in chemistry?

Which mixture has the largest particle size?