The volume between the 50.00 mL mark and the valve of a buret is 6.19 mL. The buret reading of an upside-down buret containing a pocket of hydrogen gas is 32.17 mL. What is the total volume of hydrogen in the buret?

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Explain why scientists use shared characteristics to make cladograms.

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water