Chemistry, 17.10.2020 16:01 channarlawassociate
Calculate the pH of a solution containing a caffeine concentration of 455 mg/L . Express your answer to one decimal place.
Answers: 3
Chemistry, 22.06.2019 16:00
Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.
Answers: 2
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, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
Chemistry, 22.06.2019 23:30
Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.
Answers: 1
Calculate the pH of a solution containing a caffeine concentration of 455 mg/L . Express your answer...
History, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Chemistry, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
History, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Computers and Technology, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10
Mathematics, 21.01.2021 08:10