Which is a source of direct current (DC) ?

What solutes are soluble in water?

Why does increasing the pressure of a gas usually increase reaction rate? A. The increased pressure acts as a catalyst on the gas particles in the reaction. B. The gas particles are closer, which increases the number of collisions. C.

Which factors influence the salinity of ocean surface water? Choose all answers that are correct. A. Salt from the ocean is concentrated by iceberg formation. B. Rain adds more salt to the ocean. C.

Large doses of vitamin C are supposed to cure the common cold. One commercial over-the-counter product consists of 500.0-mg tablets that are 20.0% by weight vitamin C. How many tablets should one take for a 0.

1. Starting with 9.3 moles of O2, how many moles of H2S will be needed and how many moles of SO2 will be produced in the following reaction? SHOW YOUR WORK! 2 H2S + 3 O2 - > 2 SO2 + 2 H2O

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

Have a region surrounding the central area called

1. Simplify. | A. O 16 B. O C. 04 D. O