Chemistry, 01.08.2019 04:30, wsdafvbhjkl
Complete combustion of a 0.350 g sample of a compound in a bomb calorimeter releases 14.0 kj of heat. the bomb calorimeter has a mass of 1.20 kg and a specific heat of 3.55 j/(gi°c). if the initial temperature of the calorimeter is 22.5°c, what is its final temperature?
Answers: 2
Chemistry, 21.06.2019 19:00, luludawn2455
Dying the folding patterns of protein molecules can microbiologists better understand cellular processes as well as some diseases, such as alzheimerâs, that are caused by proteins that have misfolded. the folding of these complicated molecules can be simulated on computers, but it takes a lot of processor power and time for even expensive supercomputers to do this. a group of researchers at stanford university developed software that can be used to distribute the processing of data to anyone who is willing to donate time on their idle personal computers. as a result, the researchers have been able to achieve protein-folding simulations that are far better than those other computing methods have done. which statement best describes the work of these researchers? the work is not scientific because the data are not processed in one location. the work is not scientific because the simulations are not reproducible. the researchers applied creativity to solve a problem in running an experiment. the researchers used only well-established scientific techniques.
Answers: 3
Chemistry, 22.06.2019 20:40, ohgeezy
Select the correct value for the indicated bond angle in each of the compounds. oâoâooâoâo angle of o3 90° 109.5° < 109.5° 120° < 120° 180° fâbâffâbâf angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° fâoâffâoâf angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° clâbeâclclâbeâcl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° fâpâffâpâf angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° hâcâhhâcâh angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Chemistry, 23.06.2019 07:30, libbymcvay
Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a
Answers: 2
Complete combustion of a 0.350 g sample of a compound in a bomb calorimeter releases 14.0 kj of heat...
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