Chemistry, 01.03.2020 02:37, vanessacasillas452
The process of a material going through a change of state from a gas to a liquid is called .
melting
freezing
condensation
vaporization
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 21:00, cxttiemsp021
The rate constant for the reaction below is 6.2 x 10ā5 mol lā1 s ā1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Chemistry, 22.06.2019 21:30, starl0rd211
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
Answers: 2
The process of a material going through a change of state from a gas to a liquid is called .
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