Chemistry, 08.11.2019 17:31, aaminohasan142
Explain why both of the following statements are true. statement 1: the total kinetic and potential energy of an object is called mechanical energy . statement 2: the total kinetic and potential energy of the particles in an object is called thermal energy.
Answers: 3
Chemistry, 22.06.2019 13:30, citlalli30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
Chemistry, 22.06.2019 15:30, sanchez7489
Draw the lewis dot structure for each of the following polyatomic ions
Answers: 1
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Explain why both of the following statements are true. statement 1: the total kinetic and potential...
English, 06.03.2020 23:48