How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the density of calcium is 1.55 g/mL?

1.) Consider the processes or reactions, indicate which side of the reaction will have the greatest entropy AND explain why. (4 pts) a. CO2 (s) CO2 (g) b. CaCO3 (s) - ) Cao (s) + CO2 (g) c. 2 NO2 (g) - > N204 (g) d. H20 (1) at 25 °C heated to 52 °C

Oil became a major resource with the diffusion of motor vehicles early in the 1800s. Oil became a major resource with the diffusion of motor vehicles early in the 1800s. True False

Which scientist is created with developing the first scientific atomic theory

Which is measured using a calorimeter

A laboratory experiment reauires 2.0L

HNO3 + H2O > H3O (aq) + NO3 - (aq)

What do you get when you mix lemons with gunpowder

What is the mass of 9.92*10^24 molecules of methanol?

How many moles of h2so4 are required to react with 6.80 miles of al2o3

Which explanation best describes a wave? A. a disturbance that travels through a medium with a transfer of energy and matter B. a disturbance that travels through a medium without a transfer of energy and matter C.