Chemistry, 09.11.2020 01:50 4804053670
250 kJ of energy is removed from a 400 g sample of water at 60°C, Will the
sample of water completely freeze? Explain.
Help please??
Answers: 2
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What is the mass of each element in a 324.8 sample of co2
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All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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Building glycogen from glucose molecules is an example of
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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
250 kJ of energy is removed from a 400 g sample of water at 60°C, Will the
sample of water complete...
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