Mathematics, 18.03.2021 02:10 chaparro0512
6. The pH of a substance equals -log [H+], where [H + ] is the concentration of hydrogen ions. The
concentration of hydrogen ions in pure water is 10^-7 and the concentration of hydrogen ions in
a sodium hydroxide solution is 10^-14. What is the difference of the ph levels of pure water and
sodium hydroxide solution?* LS
(6 Points)
7
-7
-21
10000000
Answers: 3
Mathematics, 21.06.2019 18:30, singlegirlforlife541
Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days
Answers: 2
Mathematics, 21.06.2019 20:00, ertgyhn
In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a. what is the independent and dependent variables? b. find the amplitude and the period of the function. c. create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.
Answers: 1
Mathematics, 21.06.2019 20:10, jackfrost5
The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)
Answers: 1
6. The pH of a substance equals -log [H+], where [H + ] is the concentration of hydrogen ions. The...
Mathematics, 21.10.2019 15:30
History, 21.10.2019 15:30
Mathematics, 21.10.2019 15:30
Chemistry, 21.10.2019 15:30
English, 21.10.2019 15:30
Social Studies, 21.10.2019 15:30
English, 21.10.2019 15:30
Geography, 21.10.2019 15:30