Chemistry, 19.03.2021 14:00 sierranowe2003
Which of the subatomic particles affects the mass number of your atom or ion?
Answers: 3
Chemistry, 22.06.2019 21:30
Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
Answers: 2
Chemistry, 23.06.2019 04:00
How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
Answers: 1
Chemistry, 23.06.2019 08:00
Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?
Answers: 2
Which of the subatomic particles affects the mass number of your atom or ion?...
Mathematics, 21.07.2020 14:01
French, 21.07.2020 14:01
English, 21.07.2020 14:01
Mathematics, 21.07.2020 14:01
Mathematics, 21.07.2020 14:01
Mathematics, 21.07.2020 14:01
Mathematics, 21.07.2020 14:01
Chemistry, 21.07.2020 14:01
History, 21.07.2020 14:01
Mathematics, 21.07.2020 14:01