MgBr2 metal or non metal

Explain how mountain chains provide evidence to support the theory of continental drift.

How many molecules of aspirin (formula mass 180amu) are in a 0.500g sample?

How many Grams Of KCl are necessary to prepare 1.5 liters of a 0.50M solution of KCl?

How do you determine the possible quantum numbers for an atom?

When ice melts what happens to the water molecules

Convert 4.5 hours to seconds

Gasoline catches on fire is it flammability?

Enzymes are proteins that speed up chemical reactions in the body how do they work A. they increase the surface area of reactants B. they increase the concentration of reactants C. they decrease the concentration of products D. They act as reactants

Atomic number for bromine

A reaction with ΔH = - 13 kJ/mol and ΔS = - 22 J/K·mol, at 2°C, the reaction is: A) spontaneous B) nonspontaneous C) at equilibrium D) impossible to determine reactivity E) none of the above