Which of these is a base? a-vinegar b-ammonia c-HCl d - HNO3

Continents motion on earth is

Write a short report describing the Montreal Protocol and more recent environmental measures to reduce CFCs.

How many moles of carbon dioxide gas can be produced when 5.45 moles of benzene (C6H6) react with excess oxygen? Be sure to show the work that you did to solve this problem. Unbalanced equation: C6H6 + O2 "yields" / CO2 + H2O

Which one of the following is not a heterogeneous mixture? A. trail mix B. oil and vinegar dressing C. cooking oil D. chocolate chip cookies

The time it takes for 50% of an unstable isotope to decay to a stable form is called the

How do you go from moles to atoms

Write conversion factors (as ratios) for the number of: (a) kilometers in 1 mile (b) liters in 1 cubic foot (c) grams in 1 ounce

Why sodium chloride is a neutral compound even though it is made up of ions that have positive and negative charges?

A student monitored the reaction rate of a 0.600M sucrose solution, at 25 oC, and determined that the reaction is first order with respect to sucrose. If at 25.0 oC it takes 3.33-hours for the concentration of the 0.600M solution to drop to 0.300M.

Two skydivers jump out of a plane. As the skydivers are in free fall, the potential energy they possessed at the airplane door Is being converted to kinetic energy True False