How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 79.8 mL of 0.545 M AgNO3 solution

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?