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Give the main/longest chain name (1pt), functional group(s) name (2pts) and IUPAC name (2pts) of the following organic compound: CH3CH2CH2CH2CH2OH.
Explain how rapidly would the subsequent particles be moving if they all had the identical wavelength as a photon of orange light (λ = 625.0 nm) with an electron mass of 9.109ε-28g
At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq) Fe3+(aq) + SCN -(aq)
50 mL of a .002M Pb(NO3)2 solution are mixed with 50 mL of a .004M KCl solution. Will a precipitate form? why or why not
Define a sample of gases contains a mixture of 10 moles of He and 20 moles of Ne. The total pressure is 18 atm. Explain what is the partial pressure of He
What is the uncertainty in the position of the electron moving at 9.00x10^6 m/s. with an uncertainty of 0.01*10^6 m
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula calculate the mass of carbon in 1.00 x 10^9 kg of coal
If only COF2 is present initially at a concentration of 2.00 M , what concentration of COF2 remains at equilibrium? Express the molar expression numerically
What is the maximum number of tablets you can take safely. Each of your generic tablets is 800 mg and contains 95% CaCO3 by mass. The 940 mL volume of your stomach is completely full of acid and water. You are too weak to split tablets so report yo..
An unknown solution of ethanol was titrated with 25.0ml of .02M solution of potassium dichromate in sulfuric acid in sulfuric acid. Determine the mass (in grams) of ethanol in the unknown sample
The molar energy of vacancy formation for silver (Ag), ?Hv, is 84 kJ/mol. Given this information, determine for Ag the vacancy density (number of vacancies/cm3) at 1103 K. Assume the pre-exponential factor is one.
Which one of the following expressions describes the heat evolved (Hrxn) in a chemical reaction when the reaction is carried out at constant pressure
A solution of iodine was standardized with ascorbic acid. A 0.1150 g sample of ascorbic acid required 28.37 mL of I2 to reach a starch end point. Calculate the molarity of the iodine solution.
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