CH, (g) + 2 O2 (g) --> CO2 (g) + 2 H20 (1) AH = -890.2 kJ; Calculate how many moles of water are formed when 121 kJ of energy are released in this
reaction.
A 0.136 moles
B 0.272 moles
C 7.36 moles
D 14.7 moles

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):

Determine the osmotic pressure at 25 °c of an aqueous solution that is 0.028 m nano3. a) 0.685 atm b) 0.0729 atm c) 1.37 atm d) 0.0364 atm e) 2.06 atm