How much heat should be transferred when 38.2g of liquid brownie reacts with excess hydrogen gas to form hydrogen bromine? is the heat being transferred from the system to the surroundings or from the surroundings to the system?

In which situation can a mixture always be called a solution

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol