What are some similarities between weathering and erosion?

The elements carbon and sulfur are solids at room temperature. Can you reasonably predict that a compound of these two elements will also be a solid at room temperature?

A solution of ammonia has a pH of 11.8. What is the concentration of OH ions in the solution? Useful formulas include [H301) - 10 OH-1 - 10 POH, PH+pOH = 14, and [H3O+][0H) - 10-14

In chemistry class, you are given a density column with golden syrup, water, and oil. Your teacher gives you an unknown substance. The unknown substance is a solid, and it has been determined that the density of the unknown is 7.50 g/cm3.

What is the empirical formula of a compound which consists of 89.14% au and 10.80% o?

Which metal is not required to have its charge specified in the names of ionic compounds it forms?

Heat is an exchange of internal energy from one system to another due to A. a temperature difference between the systems. B. one system being gas and the other being solid. C. the systems having the same temperature. D.

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

Lead (ii) sulfide (pbs) has a ksp of 3.0 * 10-28. what is the concentration of lead (ii) ions in a saturated solution of pbs? 1.7 * 10-14m 1.5 * 10-14m 3.0 * 10-14m

A 2.17 gm sample barium reacted completely with water what is the equation for the reaction how many milliliters of dry H2 evoled at 21degree celcius and 748mm of Hg?

What does it mean for data to be continuous?