Chemistry, 22.02.2021 01:40, xmanavongrove55
hello myfriendz una pregunta la cerveza es una sustancia pura o una mezcla? me ayudan por favor! y si es una sustancia pura es un elemento o un compuesto, y si es mezcla homogénea o heterogénea? thanks
Answers: 2
Chemistry, 22.06.2019 12:30, ethanw8973
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 22.06.2019 19:00, ecolifesfsu1263
What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
Answers: 1
hello myfriendz una pregunta la cerveza es una sustancia pura o una mezcla? me ayudan por favor! y s...
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