0.60 gg of sodium hydroxide (NaOHNaOH) pellets are dissolved in water to make 7.5 LL of solution. What is the pHpH of this solution

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?