Chemistry, 12.11.2020 21:50 anthonygeorge7
If the wave produced by the crowd at a baseball game has a wavelength of 45.4 meters and its frequency is 0.64 Hz, what is the speed of the wave? (round to 2 decimal places)
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Chemistry, 22.06.2019 14:30
Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.
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Chemistry, 22.06.2019 16:30
How many grams of mgbr2 are needed to produce 75g or metal?
Answers: 1
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
Chemistry, 23.06.2019 06:30
Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction
Answers: 3
If the wave produced by the crowd at a baseball game has a wavelength of 45.4 meters and its frequen...
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