C2H6 is an example of what? a) iron b) element. c) atom. d) compound

He generic metal a forms an insoluble salt ab (s) and a complex ac5 (aq). the equilibrium concentrations in a solution of ac5 were found to be [a] = 0.100 m, [c] = 0.0380 m, and [ac5] = 0.100 m. determine the formation constant, kf, of ac5.

A covalent bond in which electrons are shared unequally

Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 2.10 g of ethane is mixed with 12. g of oxygen. Calculate the minimum mass of ethane that could be left over by the chemical reaction.

What is the mass in grams of 1.50 moles of sodium chloride, NaCl?

How does the law of conservation of matter apply to chemical equations? O A) The sum of the coefficients on each side of the equation must be the same. ОВ) The sum of the atomic masses on both sides of the equation must be the same.

Which two properties are used to define matter? has mass and conducts heat has buoyancy and volume has mass and takes up space conducts energy and has characteristic properties

Calculate the energy if 48.7 g of Al reacts in the following reaction. (Al = 26.98 g/mol) Fe2O3 (s) + 2 Al (s) →Al2O3 (s) + 2Fe (s) ∆Hrxn = - 852 kJ.

Which type of wave has a wave perpendicular to the disturbance? Surface Longitudinal Mechanical Tranverse

Caffeine's molecular formula is c8h10n4o2. the molar mass of caffeine is 194g/mol. what is the percentage of carbon in caffeine

Which will evaporate more quickly: 55 mLmL of water in a beaker with a diameter of 4.5 cmcm, or 55 mLmL of water in a dish with a diameter of 12 cmcm?