Tums is a popular remedy for acid ingestion. a typical tums tablet contains calcium carbonate plus some inert substance. when ingested, it reacts with the gastric juice in the stomach to give off carbon dioxide gas. when 1.351 g tablet reacted with 40.00 ml of hydrochloric acid, carbon dioxide gas was given off, and resulting solution weighed 46.699 g. calculate the number of liters of carbon dioxide gas realeased if it’s density is 1.81 g/l

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

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