Matter is classified as a

(1) substance, only

(2) substance or as a mixture of substances

(3) homogenous mixture, only

(4) homogenous mixture or as a heterogeneous mixture

Calculate the ph of a 0.005 m solution of potassium oxide k2o

How many grams are in 1.3 x 1024 atoms of hydrogen?

Which is not a binary compound? a - h2o b - NaCl c - NaOH d-CH4

The nucleus of an atom contains which subatomic particles?

What is the effect of temperature and density on the movement of water?

If you remove all the particles from a wooden table, what remains

Which of the following is the best description of covalent bonding? 1. Bonding that occurs between elements with similar electronegativities, and with transfer of electrons. 2.

You are asked to smell a solution in a beaker. what is the best way of doing this?

The specific gravity of iron is 7.87, and the density of water at 4.00 ∘C is 1.00 g/cm3. You can use this information to find the density of iron. Find the volume occupied by 4.50 g of iron.

The volume of a gas is 93 ml when the temperature is 91? c. if the temperature is reduced to 0? c without changing the pressure, what is the new volume of the gas?