What would you have to do to develop a theory of atoms?

Classify these compounds as ionic or molecular. ncl3 nabr

How many gallons of a 60 % antifreeze solution must be mixed with 70 gallons of 25 % antifreeze to get a mixture that is 50 % antifreeze? Use the six-step method.

Calculate ΔGrxn for this equation, rounding your answer to the nearest whole number. CaCO3 (s) → CaO (s) + CO2 (g) ΔGf, CaCO3 = - 1,128.76 kJ/mol ΔGf, CaO = - 604.17 kJ/mol ΔGf, CO2 = - 394.4 kJ/mol

What is the driving force for convection currents on Earth? (what makes convection currents possible on Earth / where does the heat that is needed for convection currents to occur from?)

Carbon, with a half-full outer shell of electrons, readily shares its electrons with other atoms and forms a vast number of molecules, many of which are the organic molecules that form the backbone of living matter.

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?

Why scientist form a hypothesis