Answers: 2
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 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
The filling of which orbital is represented by the transition metals in period 4?...
Mathematics, 15.02.2022 02:00
Biology, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
English, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00
Chemistry, 15.02.2022 02:00
English, 15.02.2022 02:00
Chemistry, 15.02.2022 02:00
Mathematics, 15.02.2022 02:00