What must happen to join two monosaccharide units into a disaccharide?

Calculate the volume of c2h2 that is collected over water at 23 ∘c by reaction of 1.53 g of cac2 if the total pressure of the gas is 755 torr. (the vapor pressure of water is 21.07 torr.)

If a sample is analyzed and the line intensity registers a relative color intensity of 15, what is the approximate molarity of morphine in the sample? (note: the molecular formula of morphine is c17h19no3)

10. How do substances change after a chemical reaction? cal A They lose mass. B Their atoms are rearranged. C Their atoms lose electrons. D They change phase.

Which equation is a decomposition reaction?

Is this solution saturated or unsaturated? How can you tell? the solution is strontium and phosphate mixed in water

What larger energy does light energy come from?

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?