What is the ph of a solution with a hydroxide ion, oh-, concentration of 5.4 x 10-4 m?

The electrons move around the nucleus in regions know as electron shells, is the statement true or false, if false, rewrite the statement

What is infection? tell in detail

Rank the following in order of increased size? Proton, Nucleus, Electron, Atom?

the absolute tempertaure of a gas is increased four times while maintaining a constant volume. what happens to the pressure of the gas

How many moles are in 442.8 g of strontium carbonate (SrCO3) ? A) 1.000 B) 65 360 C) 1.500 D) 3.000

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.