Chemistry, 19.06.2020 22:57 minecraftsam2018
Elaboramos una tabla donde consten tres aportes de la química que han contribuido a mejorar la calidad de vida del ser humano y tres problemas generados por el uso irresponsable de algunas sustancias químicas. Anotamos el nombre de cinco productos químicos que utiliza de manera cotidiana en nuestros hogares.
Answers: 3
Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
Answers: 1
Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
Chemistry, 22.06.2019 18:00
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
Elaboramos una tabla donde consten tres aportes de la química que han contribuido a mejorar la calid...
Mathematics, 10.01.2021 01:40
Mathematics, 10.01.2021 01:40
Engineering, 10.01.2021 01:40
Mathematics, 10.01.2021 01:40
Mathematics, 10.01.2021 01:40
History, 10.01.2021 01:40
Social Studies, 10.01.2021 01:40
Mathematics, 10.01.2021 01:40
Business, 10.01.2021 01:40
Chemistry, 10.01.2021 01:40
Computers and Technology, 10.01.2021 01:40
History, 10.01.2021 01:40