Chemistry, 14.09.2019 00:20 danbelucio
Asample of coal has the following analysis (wt %). moisture 1.1%, fixed carbon 74%, volatile matter 17.9%, carbon 63.7%, hydrogen 3.3%, nitrogen 1.7%, sulfur 1.7%, oxygen 10.9% and the rest is ash. determine the fixed carbon on a dry and mineral matter free basis.
b. determine the coal rank of the above analysis. its one of these
medium volatile
low volatile
semianthracite
anthracite
Answers: 3
Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
Answers: 3
Chemistry, 22.06.2019 02:10
Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
Answers: 2
Chemistry, 22.06.2019 03:30
What is the relationship of air masses and the temperature of oceans?
Answers: 1
Chemistry, 22.06.2019 04:30
Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery
Answers: 3
Asample of coal has the following analysis (wt %). moisture 1.1%, fixed carbon 74%, volatile matter...
Mathematics, 14.01.2021 18:40
English, 14.01.2021 18:40
Mathematics, 14.01.2021 18:40
Mathematics, 14.01.2021 18:40
Physics, 14.01.2021 18:40
Chemistry, 14.01.2021 18:40
Arts, 14.01.2021 18:40
Engineering, 14.01.2021 18:40
Chemistry, 14.01.2021 18:40
Mathematics, 14.01.2021 18:40
Mathematics, 14.01.2021 18:40
Health, 14.01.2021 18:40
Health, 14.01.2021 18:40