Stevia is a natural plant extract used as an artificial sweetener. Its food label indicates that it has zero calories, but it also has 475 mg of carbohydrates in the form of dietary fiber. Explain why using bomb calorimetry would overestimate the nutritional Calories in stevia.

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

What is the correct equation for cellular respiration?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?