Chemistry, 28.07.2019 11:30 oliviaclerk5
Your teacher asks you to follow the instructions in a lab to produce several known chemical reactions. during these procedures, you are required to record any observations that suggest chemical reactions have occurred. which of these list of observations best describes evidence of chemical reactions? a) a liquid melts and becomes a solid. b) when heated steam comes out of a test tube. eliminate c) a gas or solid is formed from two liquid solutions. d) the two chemicals separate and form two distinct layers.
Answers: 2
Chemistry, 22.06.2019 06:10, andybiersack154
Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
Answers: 1
Chemistry, 22.06.2019 12:50, martinez6221
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
Chemistry, 23.06.2019 00:50, trinityine
50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)
Answers: 3
Chemistry, 23.06.2019 04:31, diamondscott9297
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
Answers: 1
Your teacher asks you to follow the instructions in a lab to produce several known chemical reaction...