1a) a 250 ml container of co2 exerting a pressure of 1.00 atm is connected through a valve to a 500 ml container of o2 exerting a pressure of 2.00 atm. when the valve is opened, the gases mix, forming a 750 ml mixture of co2 and o2. what is the total pressure of this mixture?
1b) each molecule of hemoglobin combines with four molecule of oxygen in order to transport oxygen throughout the body. it is observed that 1.51 g of hemoglobin combines with 2.30 ml of o 2 at 37 °c and 743 torr. what is the molar mass of hemoglobin?

How much energy is made when a pice of wood burns. how do you know

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next