Baking soda (NaHCO3) decomposes when it is heated according to the equation below. How many kilojoules of heat are required to decompose 1.96 mol NaHCO 3(s)?
2NaHCO 3(s) + 129 kJ → Na2CO3(s) + H2O(g) + CO2(g)

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

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 ?