What is the mass of an atom that has 3 protons, 4 neutrons, and 3 electrons?
4
<...
Answers: 1
Chemistry, 22.06.2019 19:00
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
Answers: 2
Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
Answers: 3
Chemistry, 23.06.2019 04:20
The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
Chemistry, 23.06.2019 07:00
In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)
Answers: 1
Mathematics, 07.10.2020 14:01
English, 07.10.2020 14:01
Mathematics, 07.10.2020 14:01
Biology, 07.10.2020 14:01
Biology, 07.10.2020 14:01
Spanish, 07.10.2020 14:01
Advanced Placement (AP), 07.10.2020 14:01
Business, 07.10.2020 14:01
Mathematics, 07.10.2020 14:01
English, 07.10.2020 14:01