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Two aqueous hydrogen bromide solutions containing 12.0 wt% HBr (SG = 1.0867) and 30.0 wt% HBr (SG = 1.2552) are mixed to form a 3.54 molar HBr solution (SG = 1.1935).
What feed rate of the 30.0 wt% HBr solution would be required to produce 1050 kg/hr of product?
What is the feed ratio of liters of 12.0 wt% HBr solution to liters of 30.0 wt% HBr solution?
Write any assumptions you make. Calculate the total work of this expansion. If this expansion were reversible, what would the value be?
A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?
What is the molarity of a solution made by dissolving 34.2 g of sodium chloride in 575 mL of solution
Using this information and the Clausius-Clapyron equation (P = const•exp(-?Hvap/RT)), calculate the vapor pressure of 3 nm droplets of mercury.
The specific heat capacity of silver is 0.24 J/°C · g. (a) Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K.
Acid-catalyzed dehydration of secondary and tertiary alcohols proceeds through an E1 mechanism. The first step is the protonation of the alcohol oxygen to form an oxonium ion.
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
A 1 M solution of acetic acid is generated and a pH of 4.74 is measured. What is the percent dissociation
A careless student, Will Bobble, misread the label on a bottle of 10 M sodium hydroxide and used it (rather than 1 M NaOH) to dissolve his vanillin. Then he stored the solution and left the lab early to catch a ride home. During the next lab perio..
Using the value of Ksp for Agl, and Kf= 1.7 * 10^7 for Ag(NH3)2+1, calculate the molar solubility of Agl in 1.10 M ammonia (NH3) solution.
What is the buffer component ratio, ([CH3CH2COO-]/[CH3CH2COOH]) of a propanoate buffer that has a pH of 4.49. Ka of CH3CH2COOH is 1.3 x 10-5.
What is the ph of the solution obtained by mixing 30.00mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH?
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