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Explain what the principal product is when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5 degrees Celsius as well as this mixture is added to o-ethylphenol
How many moles contain each of the following? 3.75 x 10^24 molecules CO2
what is the change in enthalpy for 2.854 moles of the liquid?
Calculate the new vapor pressure of water at the same temperature when 740 torr of dry air is added to the container in which the liquid water is held. What is the percent change?
Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
Prepare a detailed flow sheet for the preparation of cyclohexene, indicating at each step which layer contains the desired product.
what is the density of sample of ammonia gas if the pressure is 705mmHg and the temperature is 63.0 degrees C?
Butane's (C4H10) molar enthalpy of vaporization is 22.44 kJ/mol and its normal boiling point is -0.40 °C. A 250-mL sealed Erlenmeyer flask contains 0.55 g of butane at -22 °C. a. What is the equilibrium vapor pressure under these conditions?
The work function for metallic rubidium is 2.09eV. Calculate the kinetic energy and the speed of electrons ejected by light with wavelength of (a) 650 nmand (b) 195nm.
How many liter of hydogen are required to react with 1.9 l of Oxygen to make water at STP according to Avogadro's law.
The flask was then shaken until the solution was uniform. A 40.0-mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL. of the final solution?
Consider a 0.20 M NH3/0.20 M NH4CI bufffer. 0.002500 mol of HCI is added to 65.0 mL of the buffer. How many moles of NH3 and NH4+ remain once the solution has equilibriated. The ka for the equilibrium is 5.6 x 10-10
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