Need answers asap! my science grade is at 84 and if i don't get it higher i'll be grounded in two weeks 11) a plastic ball floats on the water. what do you know about its density? a. the plastic ball has a density greater than water. b. the plastic ball has a density less than water. c. the water has a density less than the plastic ball. d. the plastic ball and the water have the same density. e. nothing can be determined about the density of the ball. 12) how do you know a chemical change has occurred? a. new bonds have formed or bonds have broken. b. the matter has had a change in state. c. the temperature has changed. d. all of the above e. only a and c are indicators of a chemical change. 13) if a chemical bond is formed or destroyed, what changes? a. energy is absorbed or released. b. protons are absorbed. c. neutrons will vary. d. energy is destroyed. e. protons are released.
Answers: 1
Chemistry, 22.06.2019 13:00
What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
Answers: 3
Chemistry, 22.06.2019 16:00
Which factor is likely to impact the possible number of compounds ?
Answers: 1
Chemistry, 22.06.2019 19:00
Which statement best describes what happens when molecular compounds melt
Answers: 1
Chemistry, 22.06.2019 21:00
Which of the following is a physical property flammability heat of combustion solubility and toxicity
Answers: 1
Need answers asap! my science grade is at 84 and if i don't get it higher i'll be grounded in two w...
SAT, 05.10.2021 07:30
Physics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Chemistry, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30
Mathematics, 05.10.2021 07:30