Chemistry, 19.01.2021 05:10 mikaelalcool1
Does temperature have infinite significant figures in chemistry?
Answers: 3
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
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 00:30
Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element
Answers: 1
Chemistry, 23.06.2019 01:00
Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
Answers: 1
Does temperature have infinite significant figures in chemistry?...
Mathematics, 23.08.2019 18:30
Social Studies, 23.08.2019 18:30
History, 23.08.2019 18:30
Mathematics, 23.08.2019 18:30
Mathematics, 23.08.2019 18:30
English, 23.08.2019 18:30
Mathematics, 23.08.2019 18:30
Advanced Placement (AP), 23.08.2019 18:30
History, 23.08.2019 18:30