How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 al + 3 o2 2 al2o3?

a mixture of oxygen, nitrogen and hydrogen gases exerts a total pressure of 85 kpa at 0 degrees Celsius. The partial pressure of the oxygen is 20 kpa and the partial pressure of the nitrogen is 50 kpa.

Oxygen has an electronegativity of 3.5, and carbon has an electronegativity of 2.5. how is charge distributed on an oxygen atom when it bonds with a carbon atom?

Balance the following equation. use "1" when needed __Ga2o3->__Ga + __02

Which of the following is not a physical change? Melting ice Breaking glass Filtering a mixture Burning paper

To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to measure its heat capacity. She first weighs the rock and finds that it has a mass of 4.7 g. She then finds that, upon absorption of 52.

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

Have a region surrounding the central area called