Chemistry, 10.01.2021 09:30 jordendoctorwho
What type of elements are kept in P block? write with examples.
Answers: 1
Chemistry, 21.06.2019 21:10, cordovamaria22
Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.
Answers: 1
Chemistry, 22.06.2019 18:00, kyllow5644
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
Chemistry, 22.06.2019 23:00, NewKidnewlessons
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
Answers: 3
Chemistry, 23.06.2019 01:30, rubyr9975
What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands
Answers: 1
What type of elements are kept in P block? write with examples....
Mathematics, 16.10.2020 16:01
English, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01
Mathematics, 16.10.2020 16:01