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When aqueous solitions of AgNO3 and NaCl are mixed, AgCl precipitates. Balance equation is:
Soaps are able to dessilve greese because they are?
Ionic solution tested with conductivity apparatus, the ligh pf result is?
Group of atoms responsible for the characteristics of organic family compound is ?
Only include the heat capacity of water and neglect the heat capacity and specific heat of the HCl and NaOH. a. Calculate the heat of reaction for the sample (kJ) b. calculate the heat of the above reaction in J/mol of HCl
Calculate the amount of heat required to completely sublime 53.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3
What is the heat of reaction for 1 kg of the mixture calculated using heat of combustion data for a fuel comprised of 10% ethanol and the rest octane? How much is the heat of reaction reduced by adding the 10% ethanol to the octane
The GC/MS analysis of the compound gave one major compound. The base peak in the mass spectrum had a m/z value of 43. Identify the base peak and determine if it is consistent with 4-methyl-2-pentanone or 4-methylpentanal.
Calculate the millimoles of sodium hypochlorite used in the reaction: 2.3 mL of a 5.25% solution(Clorox). Compare this value with the quantity of cyclohexanol to be used in the reaction. Would you describe the oxidant as being present in slight ex..
When a 0.265 sample of caffeine, C8H10O2N4 , is burned, the temperature rises 1.465. Using the value 26.38 for the heat of combustion of benzoic acid, calculate the heat of combustion per mole of caffeine at constant volume.
Chalcopyrite, the principal ore of copper (Cu), contains 34.63% Cu by mass. How many grams of Cu can be obtained from6.83 ×104 kg of the ore? Enter your answer in scientific notation.
You have purified a new protein and determine that it contains 0.396 percent Mn. presuming that there are four atoms of manganese per molecule of protein, explain what is the molar mass of the protein
A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.
Rank the given solutions in aquous form from lowest to highest boiling point:
a 100.0 ml of acetic acid solution of unknown molarity is titrated with 0.15 m naoh solution. the titration requires
Ethanol has {rm mp} = -114.5 ^circ {rm C}, {rm bp} = 78.4 ^circ {rm C} , Delta H_{rm vap} = 38.56 {rm kJ/mol} and Delta H_{rm fusion} = 4.60 {rm kJ/mol}. The molar heat capacity is 113 {rm J / left( K cdot mol right)} for the liquid and 65.7 {rm J..
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