Answers: 1
Chemistry, 21.06.2019 13:00
Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7
Answers: 1
Chemistry, 22.06.2019 03:00
Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife
Answers: 3
Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 20:00
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
Answers: 1
What is the mass number of oxygen atom with 7 neutrons?...
Mathematics, 20.04.2021 17:10
English, 20.04.2021 17:10
Social Studies, 20.04.2021 17:10
Mathematics, 20.04.2021 17:10
Mathematics, 20.04.2021 17:10
Mathematics, 20.04.2021 17:10
Social Studies, 20.04.2021 17:10