The mass of a sample is 45g. The original volume recorded in a graduated cylinder is 25mL. The volume recorded after the sample is placed in the cylinder is 40mL. Calculate the density of the sample.

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Is a pencil falling to the floor anon contact force, a force, or a contact force

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.