Chemistry, 12.12.2019 22:31, smithsavannah295
Does sound travel faster in a warm room or a cold room? explain your answer.
sample response: sound travels faster in a warm room because temperature affects the speed of a wave. in a warm room, the particles of air move faster and have higher chances of bumping into each other, which then increases the instances of energy transfer.
why is this the answer?
Answers: 1
Chemistry, 22.06.2019 00:00, chameleonsarelife
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 23.06.2019 03:30, HalpMahOnMahH0meW0rk
Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5
Answers: 1
Chemistry, 23.06.2019 10:30, robot2998
Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.
Answers: 1
Does sound travel faster in a warm room or a cold room? explain your answer.
sample res...
sample res...
English, 20.10.2019 15:00
Mathematics, 20.10.2019 15:00
Mathematics, 20.10.2019 15:00
Mathematics, 20.10.2019 15:00
Biology, 20.10.2019 15:00
Mathematics, 20.10.2019 15:00
Social Studies, 20.10.2019 15:00