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The confirmatory reactions that identify nitrate with nitrite both produce brown NO 2 gas. Explain what criterion will you use to find out which anion produced the gas?
1. For the titration of KHP with NaOH, what will the pH be at the equivalence point. (This will be your indication.) 2. If a sample of 0.062 g KHP requires 30.12 mL of NaOH to titrate it, what is the molarity of NaOH
Glucose oxidation has a standard enthalpy of -2803 kJ/mol. What is the total heat produced by human respiration over the course of one year
A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L.What is the freezing point of the final solution.
how many square meters of floor space are there in a room which has 225.0 square yard of floor space 1 m=39.37 in, 1 yard =36 in.
draw the structure of a by product that could be formed whenan aldehyde reacts with acetophenone. provide a detailed
The volume of HI(aq) required to reach the equivalence point : (c) The pH at the half-neutralization point. Enter only numbers in your answer. (d) The pH at the equivalence point
If the slope of the line is y= 0.28x+ 68.71 R^2= 0.962, how does the value of R^2 and the slope relate to the gas law ideals. What is their significance
The first point should be at -56.8 degrees Celsius and the last point at 150.0 degrees Celsius. Do not connect the points with a line.
if 105 of fluorine-18 is shipped at 800 a.m. how many milligrams of the radioisotope are still active if the sample
a sample of ideal gas at room temperature occupies a volume of 23.0l at a pressure of 232torr . if the pressure changes
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
The 100 mL of a solution that is 0.10 M in both Cu2+ and Mn2+ and 0.20 M in H3O+ is saturated with H2S. Illustrate which metal sulfide precipitates?
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