Consider the decomposition of 50.0g of sodium carbonate, an ingredient found in baking powder. If 19.25 grams of the gaseous product is colllected at STP, what is the percent yield?
Na2CO3-Na2O + CO2

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear