How many moles of aluminum oxide (Al2O3) are in a sample with a mass of 204.0 g? The molar mass of aluminum oxide (Al2O3) is 102.0 g/mol.

Is mercury a solution

A chemical system at equilibrium is referred to as dynamic because the A) rates of the forward and reverse reactions continue changing B) forward and reverse reactions continue reacting C) value of the equilibrium constant (K) changes D)

Find the mass in grams of 1.40x10^23 molecules of n2

According the the Kinect theory, what is the Kinect energy of a gas molecule proportional to? A. Volume of gas B. Pressure of gas C. Temperature of the gas D. Density of the gas

Compare the limiting reactant and the excess reactant in a reaction

If The mass of a box is increased and the force stay the same, determine the relationship with acceleration

A balloon contains 0.15 moles of co2 gas. how many molecules of co2 are in the balloon?

Acids A) are generally proton donors B) produce H + ions in solution C) are electron pair acceptors D) may include all of these characteristics

3.011 x 10^23 atoms F in grams

What would you use if you needed to determine the density of an object? balance and graduated cylinder balance and scale scale and spectroscope