What is the definition of a buffer

During an experiment, a student spilt 1.0 mL of concentrated H2SO4. The student neutralized the acid with 3.05 g of NaHCO3. What is the concentration of H2SO4?

During the reaction of molecular bromine with 2,2,3-trimethyl pentane initiated by heat or light hydrogen atom will be abstracted from Select one: a. either carbon of the two methyl groups at position 2 b. carbon number 2 of the parent chain c.

How many moles of pbcl2 are consumed if 14 moles of alcl3 are consumed?

Explain, in terms of electron configuration why atoms of the radioisotope produced by the sixth decay in the U-238 disintegration series do not readily react to form compounds?

What is the pOH of a 3.32 x 10^-5 M KOH solution

Give the name of the orange metal visable after one week

What is the rough er connected to

Two students design an experiment to see if pushing or pulling a box across the floor is more effective. The first student pushes the box across the floor a distance of 20 feet and the second student times how long it takes.

15.00 g of NH4HS (s) is introduced into a 500. mL flask at 25 °C, the flask is sealed, and the system is allowed to reach equilibrium. What is the partial pressure of ammonia in this flask if Kp = 0.108 at 25 °C for: NH4HS (s) ⇄ NH3 (g) + H2S (g) ?

Among elements 1-18, which element or elements have the smallest effective nuclear charge if we use the equation zeff=z-s to calculate zeff? check all that apply.