An element's atomic number is equal to its number of

What is the conjugate acid in an acetate buffer system? acetate acetic acid formate formic acid

Standard reduction potentials are based on which element?

A 0.500 g sample of He at STP has a volume that is one-half that of an unknown pure gas also at STP. The unknown pure gas sample has a mass of 36.5 g. What is the molar mass of the unknown gas?

Jack hypothesize that more mold will grow on a slice of bread that is left in the dark that a slice of bread left in the light he wants to do in experiment to test this hypothesis Jack has four slices of bread for this experiment was condition

Is albinism a dominant or recessive trait

A noncompetitive inhibitor. binds to the active site of an enzyme a. b. increases the rate of enzyme action alters the primary structure of the enzyme c. d. none of these

True or false? The radioactive wastes produced by nuclear fission remain dnagerous for dozens of years

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.

In the reaction 2co (g) + o2 (g) â 2co2 (g), what is the ratio of moles of oxygen used to moles of co2 produced? select one:

A log's mass is 5 kg. After burning, the mass of the ash is 1 kg. Explain what may have happened to the other 4 kg of mass.