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How much heat is required to warm 1.3kg of sand from 30 degree Celsius to 100 degree Celsius? (According to my notes- specific heat capacity of sand is .84 J/(g x Celsius)
Suggest to her a visual functional test that she can use to detect the presence of an alkene. Explain why it is specific for alkenes in this situation.
Design an experiment to determine the density of irregular shaped object. a. Include an introduction describing the calculations that will need to be made.
How many minutes would be required to electroplate 25g of chromium by passing a constant current of 4.80 amperes through a solution containing CrCl3
determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
Draw the skeletal structure of 1-isopropyl-3-methylcycloheptane. Please explain, I am having trouble grasping this concept.
NaOH + CO2 -→ Na2CO3 + H2O . If the average human body discharges 536 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft?
when a mixture at 273 K is heated to 473 K, how many different chemical changes occur? How many physical changes occur?
The heat of fusion, ?Hfus, of ethanol (C2H5OH) is 4.9 kJ/mol. The heat of sublimation of ethanol, for the process C2H5OH(s) ? C2H5OH(g) , is 43.5 kJ/mol. What is the heat of vaporization of ethanol?
The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
what compounds would you use and how would testing these two compounds contribute in your knowledge of the above mentioned subjects
Examine the structures of the following compounds. What functional groups can you identify within the compounds? (They may have more than one.) What structural features do many of these compounds have in common?
If you wanted to prepare a solution of CO in water at 25 degrees Celsius in which the CO concentration was 2.5 mM, what pressure of CO would you need to use?
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