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Demonstrate that the linear combination A + iB and A-iB are n other mitian if A and B are hermitian operators.
If 5.0 grams of potassium reacts with 2.24 liters of oxygen at STP what is the limiting reagent. After the reaction, how much excess reagent is left
State the structure of a different product that could have been formed if you utilized ethanol containing substantial amount of water instead of the absolute ethanol utilized in the reaction of bromotriphenylmethane with ethanol
A sample of a compound is found to contain 1.011 g of chromium and 0.467 g of oxygen. What is the empirical formula for this compound
25.0mL of a 0.100M solution of NH3 is titrated with 0.150M HCl. After 10.0mL of the HCl has been added, the resultant solution is: a) basic and before the equivalence point
This sample is first heated to 100.0 degrees C, then added to a coffee cup calorimeter containing 35.0 g of water at 20.8 degrees C. The highest temperature observed is 31.0 degrees Celcius. a) Calculate the specific Heat of the lead
How many grams of liquid sodium (minimum) are needed to absorb 4.70 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C?
How much heat (in J) is evolved or absorbed when a 36.9 g sample of water (specific heat = 4.18 J/(g K)) cools from 87.7oC to 79.2oC
The rate of reaction is 1.6 X 10-8 mol/L.min when the nitrogen oxide concentration is 0.020 M and the bromine concentration is 0.030 M. What is the value of K
Calculate the molarity and standard deviation of MnSO4 stock solution using the molarity
how do you use formula 4-2 dcnlm where c is a constant that experimentally has a value of 1.5 m is the correction for
The reaction: 2 HI → H2 + I2, is second order and the rate constant at 800 K is 9.70 × 10-2 M-1 s-1. How long will it take for 8.00 × 10-2 mol/L of HI to decrease to one-fourth of its initial concentration.
What volume of gaseous chlorine at STP would you need to obtain a 250.0 g sample of gas
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