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Chemistry, 21.06.2019 21:00
Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical
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Chemistry, 22.06.2019 06:30
Identify the missing numbers below to show the result of multiplying the numbers (1.6 Ć 10-19)(5.0 Ć 106) = c Ć 10d
Answers: 1
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 22.06.2019 19:30
What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
Answers: 3
Mathematics, 23.07.2019 14:20
Mathematics, 23.07.2019 14:20
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Mathematics, 23.07.2019 14:20
Mathematics, 23.07.2019 14:20
Mathematics, 23.07.2019 14:20
Mathematics, 23.07.2019 14:20
Mathematics, 23.07.2019 14:20