Chemistry, 20.04.2021 21:50 Naysa150724
Which of the following chemical equation shows the formation of sodium hydroxide (NaOH) and hydrogen gas (H2) from the reaction of solid sodium (Na) and water (H2O)
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What term describes technology that operates on an atomic level
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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
Chemistry, 22.06.2019 19:30
Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
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Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
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Which of the following chemical equation shows the formation of sodium hydroxide (NaOH) and hydrogen...
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