Consider the reaction 4NO2(g) + O2(g) -- 2N2O(g) Suppose that, at the a particular moment during the reaction, molecular oxygen is reacting at the rate of 0.024M/s a)At what rate is NO2 begin formed?b)At what rate is NO2 reacting?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol

Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect