A solution has a pH of 11.8. What is the pOH?

How much heat (in kj) is required to warm 11.0 g of ice, initially at - 12.0 ∘c, to steam at 109.0 ∘c? the heat capacity of ice is 2.09 j/g⋅∘c and that of steam is 2.01 j/g⋅∘c?

If a sample of pure silver contains 3.35 x 10^22 atoms of silver, how any moles of silver are in the sample? 17.9 mol 2.82 mol 0.180 mol 0.0556 mol

A sample of an ideal gas has a volume of 0.500 L at 25 degrees celcius and 1.20 atm pressure. What is its volume at 75 degrees celcius and 3.60 atm?

Can someone tell me a simple way to define bases and acids.

What system maintain the pH of human blood at very near 7.4?

Which is the molar mass of Calcium?

Which statement best describes the nature of science? Science discoveries using the latest technology are the most valuable. Scientific theories and laws are based on beliefs and popular opinion.

vanadium has an atomic mass of 50.9415 amu. it has two common isotopes. one isotopes has a mass of 50.9440 amu and a relative abundance of 99.75%.

Which of the following could a magnet float over? A. A network solid B. A molecular solid C. A semiconductor D. A superconductor

What are genes a part of?