Chemistry, 08.05.2021 09:30 danielahalesp87vj0
1. write the complete chemical symbol for the ion with 14 protons 15 neutrons and 18 electrons 2. write the complete chemical symbol for the ion with 27 protons 32 neutrons and 25 electrons
Answers: 1
Chemistry, 21.06.2019 22:00
If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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Chemistry, 22.06.2019 16:50
Answer asap need 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: 1
Chemistry, 23.06.2019 15:00
Food can lose electrons to air. this loss of electrons can create free radicals that destroy chemical bonds, hence spoiling the food. which term describes this process?
Answers: 1
1. write the complete chemical symbol for the ion with 14 protons 15 neutrons and 18 electrons
2....
Mathematics, 05.05.2020 17:36
Advanced Placement (AP), 05.05.2020 17:36
Mathematics, 05.05.2020 17:36