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What is the molarity of the NaBr produced when 50.0 mL of 4.80 M NaOH is mixed with 150.0 mL of 1.60 M HBr?
A) 2.40 M
B) 3.20 M
C) 1.20 M
D) 1.33 M
E) 480 M
how much heat energy is required to raise the temperature of 0.365 of copper from 23.0 to 60.0 ? the specific heat of
For the reaction below, Kc=4.50x10^11 at 25oC. A(g) + 2B(g) C(g) In an experiment, 1.00 mol A and 1.00 mol B are combined in a 1.0L reaction vessel. What are the equilibrium concentrations of A, B and C
Laboratory-grade diethyl ether contains small amounts of ethanol (1-2%). Is this grade of solvent suitable for the preparation
The mass of the crucible plus CaO was 26.7134 g). What is the concentration of Ca (40.078 g/mol) in the river water in units of part per thousand (ppt) (by mass), assuming the river water has the same density as pure water
What is the maximum amount, in kg, of ethanol that can be produced when 2.62 kg of ethylene (C2H4) and 0.0684 kg of steam are placed into the reaction vessel
Butane's (C4H10) molar enthalpy of vaporization is 22.44 kJ/mol and its normal boiling point is -0.40 °C. A 250-mL sealed Erlenmeyer flask contains 0.55 g of butane at -22 °C. a. What is the equilibrium vapor pressure under these conditions?
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
Determine the molecular formula of the oxide of phosphorous when it is in its gaseous state.
Need to prepare a solution of 0.2 L 0.4 M then determine how many cm^3 of a solution of H2SO4 (sulfuric acid) 80.0%
Why do you suppose that the fewer resonance structures for the carboxylate are more effective at increasing the acidity of a carboxylic acid than those of the conjugate base of 2-naphthol
If, in a certain experiment, over a specific time period, 0.0035 mol PH3 is consumed in a 2.0 L container during each second of reaction, what are the rates of production of P4 and H2 in this experiment?
28.80 mL of a 0.1726 mol/L EDTA solution is required to titrate a sample to the equivalence point. How many moles of divalent metal cations were in your sample
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