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Problem- How to calculate yield and theoretical yield for sandmeyer reaction ? Filter paper 0.718 filter paper and product 6.892 To begin the experiment 3.4 grams of anthranilic acid, 25 mL of water and 6 mL of concentrated hydrochloric acid was heated inside a 100 mL round-bottomed flask until the solid dissolved. After the mixture dissolved it was then cooled in an ice bath while bubbling with the insertion of nitrogen gas to displace the air. Once the temperature reached 5 degrees Celsius a solution of 1.8 grams of sodium nitrate and another 6 mL of water was added to mixture slowly. After 5 minutes a solution of 4.25 grams of potassium iodide and a third 6 mL of water was added to the mixture once the brown colored complex partially separated
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Part A. You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400. counts has diminished to 100. \rm counts after 93.1minutes , what is the half-life of this substan..
a first order reactionhas a rate constant 0.00510.if we begin with 0.10 m concentration of the reactant how much of
Without doing a calculation, which of the bonds below would you expect to have the higher stretching frequency. C-O or C=O
What is the "mass per volume" percent sodium hypochlorite content of your household bleach product?
Problem- A .10 M solution of socium cyanide gives a pH reading of 11.1. Write a net ionic equation that accounts for this pH and calculate the approximate concentrations of CN-, HCN, and OH- in the solution and the value of Ka for HCN.
question what would you expect to happen if you combined 1o.0ml of10ml of 10-2 m acetic acid qand 5.0 ml of10-2 m
For a given chemical reaction, ?H = -32.0 kJ/mol and ?S = -98.0 J/mol*K. Estimate the free energy change for the reaction at 775 C and 1 bar pressure. I believe it to be 70.7 kJ/mol
Solid iron reacts with liquid water to produce solid iron(III) oxide and hydrogen gas. Balance the redox reaction. What is the oxidizing agent in the redox reaction and what is the total number of electrons transferred in the reaction?
A mixture of 0.100 mol of CO2, 0.050 mol of H2, and 0.100 mol of H2O is placed in a 1.00 L vessel and reacts according to the reaction shown below. CO2 + H2 --> CO + H2O
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
What wavelength of radiation must be used to eject electrons with a velocity of 1.5 X 10^3 km s-1
A 250.0 mL sample of chlorine gas is collected when the barometric pressure is 798 mmHg. What is the volume of the sample after the barometric pressure dropped to 745 mmHg?
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