Chemistry, 13.01.2020 16:31 pamelakroll98
What is the independent variable in the graph? a) degrees c b) amount of water eliminate c) temperature of water d) time of heating the water
Answers: 3
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How many liters of hydrogen gas will be produced at stp from the reaction of 7.179Γ10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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Chemistry, 22.06.2019 15:00
How is the shape of the poem βpeerβ connected to its meaning?
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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
What is the independent variable in the graph? a) degrees c b) amount of water eliminate c) tempera...
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