Choose the products that complete the reaction. The chemical equation may not be balanced.
NaHCO3 + HC2H302 → ?
NaC2H302 + H20
NaC2H302 + CO2 + H2O
NaC2H302 + H2

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

What is bromine+calcium iodide--> calcium bromide +iodine balanced

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.