Explain why the word atom was an appropriate term for democritus's idea.

On a 10-fold dilution of a strong acid, the ph will

A solution with pH of 9.50 has a pOH of?

A quantity of N2 occupies a volume of 1.5L at 300K and 1.2atm. The gas expands to a volume of 3.1L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.

Choose the statement (s) that is/are true about alpha emission. A. Alpha particles are helium nuclei. B. Alpha particles are negative electrons C.

What gas is most abundant in a nebula

How does Q compare to Keg? O Q> Keq O Q< Kea OQ = Keg

What is the mass (in grams) of 9.09x10^24 molecules of methanol (CH3OH) ? AND How many moles of N are in 0.183g of N2O?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?