The density of ammonia gas under certain conditions is 0.625 g/l. calculate its density in g/cm^3.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro