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The fertilizer ammonium sulfate [(NH4)2SO4] is prepared by the reaction between ammonia (NH3) and sulfuric acid:
2NH3(g) + H2SO4(aq) -> (NH4)2SO4(aq)
How many kilograms of NH3 are needed to produce 1.00 10^5 kg of (NH4)2SO4?
What combination of properties is responsible for the selection of trinitrotoluene as a military explosive?
how many grams of silver chloride can be prepared by the reaction of 100.0 mL of 0.20 Moles silver nitrate with 100.0 mL 0.15 Moles calcium chloride. Calculate the concentrations of each ion remaining in solution after precipitation is complete.
Give an example of how you would take a primary alcohol to an aldehyde, what reagents would you use. How would you take a primary alcohol to a carboxylic acid
how much energy is lost by 10 kg of silver if it is cooled from 35 degree celsius to 21 degree celsius
Calcium chloride (CaCl2; very soluble) has been sold as a more effective de-icer than NaCl to spread on icy sidewalks. What would be the ionic strength of a solution
To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters
Explain why, during the recrystallization of p-dibromobenzene, the turbity of the hot solution was used as an indicator for the ratio of ethanol to water used.
The enthalpy change for the oxidation of styrene, C8H8, is measured by calorimetry. C8H8(l) + 10O2(g) ? 8CO2(g) + 4HOH(l) ?rH = -4395.0 kJ/mol How much heat in kJ is required to oxidize 25.0 g of styrene?
One solution contains 2.5 x 10^-3 M BaCl2; the other contains 2.5 x10^-3 M CaCl2. (Ksp for BaSO4= 1.5 x 10^-9; Ksp for CaSO4 =6.1 x10^-5). Calculate to determine which one, CaSO4 or BaSO4, will form precipitate.
verify the law of multiple proportions for an element x which forms oxides having percentages of x equal to 77.4
Give the titration curve for the reaction of C5H5N with HCl. The known solution is the acid, and the base is added to the acid.
15.0 ml of a 0.1075 M NaOH solution are required to neutralize 15.00 mL of a sulfuric acid solution. What is the concentration of the sulfuric acid solution
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