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A 2.42-L flask is filled with propane gas (C3H8), at 1.00 atm and -13.0°C. What is the mass of the propane in the flask?
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
M. tuberculosis, the organism that causes tuberculosis, can be completely destoryed by irradiation with UV light with a wavelength of 254 nm. What is the frequency?
These 3 solutions including 2.362 g of Rb2S, 1.635 g of NaClO 4 , and 0.796 g of CuCl 2 , respectively are combined together? now calculate what would be the mass of this precipitae?
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
Determine the pressure (in atm) inside the can if a metal can of 1.00 qt contains 0.150 grams of Helium at a temperature of 20 degrees Celsius also explain Is this pressure greater or less than standard atmospheric pressure?
Determine the final concentration if A 134 ml portion of that solution is diluted using 147 ml of H 2 O?
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
Determine what is the total mass of glucose in 5.10L of blood If a person has a glucos level of 108 mg.100mL, ? express your answer in grams?
The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?
determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
Identify the element of Period 2 which has the following successive ionization energies, in kJ/mol. IE1: 1314, IE2: 3389, IE3: 5298, IE4: 7471, IE5: 10992, IE6: 13329, IE7: 71345, IE8: 84087.
How many grams of nickel nitrate, Ni(NO3)2, must be dissolved to prepare 200 mL of a 0.152 M aqueous solution of the salt.
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