To which period does the Lanthanide series belong? Actinides?

A urine sample has a mass of 157 g and a density of 1.030 g/ml. what is the volume of this sample?

Mass of water 50.003 g 24 95C Temperature of water Specific heat capacity for water 4.184J/g C Mass of metal 3.546 Temperature of metal 99.

Hearing sight and sound are an example of that u can use to make observations

What is one goal of physical science?

What is the specific latent heat fusion for a substance that takes 550 kJ to melt 14kg at 262 K

What source provides most of the energy consumed in the United States?

One way to experimentally measure the heat capacity of a Styrofoam cup calorimeter would be to melt a known mass of ice in warm water and measure hte temperature change.

For which gases does the ratio of PV to RT equal a constant? A. gases of very low temperature B. real gases C. gases at very high pressure D. ideal gases

Calculate how many Calories would be found in a breakfast consisting of the following: two eggs two pieces of toast buttered with one tablespoon of butter one 9 oz glass of orange juice

What are the electron configurations of an electrically neutral atom of sodium, electrically neutral atom of neon, and electrically neutral atom of oxygen?