27 g of Al will react with how much mass of O2 to produce Al2O3

True or false Can molecules share electrons? Can molecules gain or lose electrons?

Air has a lower specific heat then water once the sun goes down will the air or the water cool faster? What is the independent and dependent variable

Would you say cells, bacteria, algae, plants, are the basic untits of life?

A sample of nitrogen gas, (N2), occupies 45.0 mL at 27.00∘C and 80.0 kPa. What will be the pressure if the gas is cooled to - 73.00∘C at constant volume?

What product is formed at the positive electrode (anode) when 0.001 mol dm-3 H2SO4 (aq) is electrolysed? A. Hydrogen B. Oxygen C. Sulfur D. Sulfur dioxide

What is in a banana? give me specifics?!

When 17.28 mL of a 0.078 M aqueous solution of Na2SO4 is combined with 11.30 mL of a 0.20 M aqueous solution of NaCl and 7.84 mL of a 0.26 M aqueous solution of KCl, what is the total concentration of Na + in the combined solution?

What mass of carbon can 3000 J of energy raise from 12°C to 40°C?

How do you balance __Mg + __HCl - - > __MgCl2 + ___ H2

How many grams of methane, CH4 are produced from the complete reaction of 5.15 moles of carbon monoxide, CO