Sodium and water react according to the following equation. if 31.5g of sodium are added to excess water, how many liters of hydrogen gas are formed at stp? 2na+2h2o—> 2naoh+h2

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion