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How many grams of dry NH_4Cl need to be added to 1.60 of a 0.700 solution of ammonia, , to prepare a buffer solution that has a of 8.98? for ammonia is.
How do you rationalize the ordering of the following pairs in the spectrochemical series
Draw the acylation mechanism including all resonance forms of an electrophile aromatic substitution reaction if the carbon identified with an asterisk(*)
How many grams of Na3PO4 is needed to produce 575mL of a solution that has a concentration of Na+ ions of 1.50M?
The solubility product constant for Ce(IO3)3 is 3.2 *10 ^-10, What is the Ce3+ concentration in a solution prepared by mixing 50.0 mL of 0.250 M Ce 3+ with 50.0 mL of 0.040 M IO3^-?
Benzene (l) has a vapor pressure of 0.1269 bar at 298.15 K and an enthalpy of vaporization of 30.72kJmol^-1. The Cpm of the vapor and liquid phases at that temperature are 82.4 and 136.0 J K^-1 mol^-1, respectively. Calculate the vapor pressure of..
A 635 mL sample of unknown solution reacts completely with to form 19.1g CO2 . What was the concentration of the solution?
How many moles of H+ (H3O+) are produced in 40.0 m of 0.025 M HCL?
Calculate the order of the reaction with respect to reactant C, the reaction rate constant, the overall order of reaction, and write the rate law for the reaction.
how many liters of oxygen gas can be produced at STP from the decomposition of 0.250L of 3.00M H2O2 in the reaction according to the chemical reaction shown below 2H2O2(l) ====> 2H2O (l) + O2(g)
The temperature of the calorimeter increases from 19.7C to 20.6C. If under constant volme conditions the heat of combustion of glucose is -2805 kj/mol, calculate the total heat capacity of calorimeter.
If a solution containing 48.91 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulifide how many grams of a solid precipitate will be formed?
propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine
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