The reaction of solid sodium hydrogen carbonate and hydrochloric acid is an example of an endothermic reaction. Suppose that the initial temperature of the system is 27°C. How do you expect the temperature to change as the reaction progresses?

What are the percent by mass of copper in penny lab

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape