What is the term used when metals are considered to be heavy in size

What must be true about two objects if heat is flowing between them?

Which electrons in an atom have the most energy, and which ones have the least

A 125 ml sample of a liquid has a mass of 0.16 g. What is the density of the liquid in g/ml?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5 M HCl? Show all of the work needed to solve this problem. Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)

From what materials are fossil fuels made?

Magnetism easily separates what mixture? A). Sand and glass B). Sand and iron C). Sand and clay D). Sand and aluminum

Match the science with the best description?

Can magnetism be used to identify a substance

Nitrogen dioxide dimerizes to give dinitrogen tetroxide: 2NO2 (g) → N2O4 (g). At 298 K, 12.55 g of an NO2/N2O4 mixture exerts a pressure of 0.963 atm in a volume of 6.92 L. What are the mole fractions of the two gases in the mixture?

What is the concentration of a solution, in gsolute/100gsolvent, made using 2.83 g of KNO3 in 2.03 g of H2O? Do not include units in your answer.