What is the freezing point of the aqueous solution that created 5.0grams of Na2SO4 and was added to 75grams of water. The freezing constant of water is 1.86 degrees Celsius/m. Answer in two significant figures

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Calcium chloride +gold(1) oxide—>