Chemistry, 30.08.2019 02:00 villarrealc1987
The reaction 2no2 ? 2no + o2 follows second-order kinetics. at 300 °c, [no2] drops from 0.0100 m to 0.00650 m in 100.0 s. the rate constant for the reaction is m-1s-1.
Answers: 1
Chemistry, 22.06.2019 09:40
Consider this initial-rate data at a certain temperature for the reaction described by
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Chemistry, 22.06.2019 12:30
Avariable that is not being directly tested during an experiment should be
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Chemistry, 22.06.2019 17:20
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
Chemistry, 22.06.2019 18:00
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
The reaction 2no2 ? 2no + o2 follows second-order kinetics. at 300 °c, [no2] drops from 0.0100 m to...
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