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If the volume of the reaction vessel in part (b) was 1.50 , what amount of (in moles) was formed during the first 15.0 of the reaction?
Why does the pH of the blood decrease in a person who has digested tremetol? Answer A. Lactic acid build up decreases blood pH B. Hydrogens pumped by the electron transport chain decrease blood pH C.
Determine the concentrations of K2SO4, K , and SO42- in a solution prepared by dissolving 2.11 × 10-4 g K2SO4 in 2.00 L of water. Express all three concentrations in molarity.
How many grams of sodium lactate should be added to 1.00 L of 0.150 M lactic acid to form a buffer solution with pH= 4.00? Assume that no volume change occurs when the sodium lactate is added.
A gas has a pressure of 4.82035 atm when its volume is 2.75 L. What will the pressure be when the volume is changed to 1.91015 L, assuming constant temperature.
In a first order decomposition in which the rate constant is 0.00830 sec-1, how long will it take (in minutes) until 0.309 mol/L of the compound is left, if there was 0.517 mol/L at the start
C5H12O, a gasoline additive used to boost octane ratings, has a standard heat of formation of -313.6kJ/mol. write a balanced equation for its combustion reaction, and calculate its standard heat of combustion in Kilojoules
Identify the Lewis acids in the following two equilbrium systems: System A: CO2 + H2O ? H2CO3 System B: Zn2+ + 6H2O ? Zn(H2O)62+ A. A: H2O; B: H2O B. A: CO2
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
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..
Determine the entropy change for heating nitrogen gas from 25 oC to 100oC under the following conditions. Cp =29.1J·K?1 ·mol?1.
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 511 K, Kc = 0.056 for the following equilibrium: NH2COONH4(s) 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L containe..
How to calculate the pH of 0.375 L of a 0.18 M acetic acid-0.29 M sodium acetate buffer before and after the addition of (a) 0.0060 mol of KOH and (b) 0.0060 mol of HBr.
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