If 2.55 L of propane (C3H8) at 30 degree Celsius and 67.2 kPa is completely burned in excess oxygen, what mass of carbon dioxide will be produced? R=0.0821 L^ * atm/mol^ * K Write a balanced chemical equation: R=8.314 L^ * kPa/mol^ * K

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

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

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?