Chemistry, 02.10.2020 09:01 pedrojulianhdz2005
The density of aluminum is 2.70 g/cm”. The mass of a specific piece of aluminum is 20 grams. What is the volume of the piece of aluminum
Answers: 3
Chemistry, 21.06.2019 12:50
What is the specific heat of a substance that absorbs 2.5×10^3 joules of heat when a sample of 1.0 ×10^4g of the substance increases in temperature from 10°c to 70°c?
Answers: 2
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, 23.06.2019 04:20
The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity
Answers: 2
The density of aluminum is 2.70 g/cm”. The mass of a specific piece of aluminum is 20 grams. What is...
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