What is the ph of an aqueous solution with [h3o+] = 4*10-13 m?

The average speeds of gas molecules in cylinders A, B, C, and D are 0.01 m/s, 0.005 m/s, 0.1 m/s, and 0.5 m/s, respectively. Which cylinder contains gas that is closest to absolute zero?

How to determine what kind of metal an element is from the periodic table

How does the precision of a calculated answer compare to the precision of the measurements used to obtain it?

What is the heaviest non radioactive element?

Calculate the silver ion concentration in a saturated solutionof silver (I) sulfate (Ksp = 1.4 x 10-5).

What appears to happen to the moon as it goes through the cucle

When H2 and CO2 react, acetic acid can be formed spontaneously while the production of formaldehyde requires an input of energy.

What is the enthaply of the reaction?

Which color has a higher frequency, A. red light B. blue light

what is the volume of 0.98 mol oxygen (O2) gas at 275 K and a pressure of 2.0 atm? (the universal gas constant is 0.0821 L*atm/mol*K)