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A particular electrons position can be measured to a precision of 0.058nm, what is the minimum uncertainty in the electron' velocity? Me = 9.109 x 10E-31 kg, c= 3.00 x 10E8 m/s , h = 6.63 x 10E-34 js
defined lead free paint as having less than 75mg of lead per 125mg of paint. How many parts per million of lead is this?
your expense account allows you to spend $80.00 a day when you are on a trip. If you have a week-long trip to tiny country of Kratvia, where the exchange rate is 3.50 kratvels per dollar, how many kratvels can you spend during the week? (7 day..
Ammonium sulfide in solid form decomposes to ammonia gas and hydrogen sulfide gas. It is a reversible reaction The Kp at 25 degrees C is .109 In an experiment Ammonia gas and hydrogen sulfide gas each have a partial pressure of .5 atmospheres and ..
A copper penny can be dissolved in nitric acid but not in hydrochloric acid. Explain why in terms of E? Explain what would happen as the newer pennies are added to nitric acid and hydrochloric acid.
The three gases N2, O2, and NO are in equilibrium. The formation of NO is endothermic. Write the equation for the equilibrium. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.)
if 29.7mL of a .205 M KOH solution is required to completely neutralize 25.0mL of a solution of CH3COOH, what is the molarity of the acetic acid solution? CH3COOH(aq)+KOH(aq)>KCH3COO(aq)+H2O(l)
Starting out on a road trip you inflate your tires on your car to the recommended pressure of 46.5 psi on a day when the temperature is -5.0 C. Upon arrival at your destination, the temperature is now 28.0 C/ The volume of the tires has increased ..
nitroglycerin C3H5(NO3)3 detonates into N2, O2, CO2, and H2O. In addition 6.26 kJ of heat is given off per gram of nitroglycerine denotated. what is the specific heat when 4.65 g of N2 is formed
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm and a temperature of 293K. What volume will the gas occupy if the pressure changes to 0,980 atm and the temperature remains unchanged?
Calculate the volume of a 0.200 M NaOH solution needed to neutralize 40.0 mL of 0.600 M HNO3 solution.
Draw the skeletal structure of the product or mixture of products that result from the bromination of the given starting material with less than one equivalent of NBS in the presence of peroxides.
A sealed-end water manometer attached to an air duct reads 1598 cm. An open-end water manometer attached to the same duct reads 556.2 cm.
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