Carbohydrates are made up of carbon, hydroyen, and? a. oxygen b. helium c. copper d. potassium?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond