What is the difference between autotrophs and heterotroph

Name 3 sets of elements that have been added to the periodic table since mendeleev's time

Measure the level of lead in blood

At room temperature and pressure, 1 mole of any gas takes up a volume of 24dm3 Calculate the volume that 0.6 miles of fluorine occupies.

Describe the intermolecular forces that must be overcome to convert each of the following from a liquid or solid to a gas. SO2, H2Se Check all that apply. a. Ion-dipole bonding. b. Hydrogen-bonding. c. London dispersion forces. d.

What should a chemical compunds mame indicatr

A student collected a total of 36.04 g of water from a reaction. What number of moles of water does this represent

1L = 1,000,000,000,000 _L

2. An alkane has a relative molecular mass of 58, determine its molecular formula.

In a motion diagram the size of the object must be less than the distance moved t or f

Which part of an atom is directly involved in chemical changes