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Calculate the grams of Titanium that will be plated from a Ti(NO3)4 solution using a current of 15 amperes for 3 hours
A 200. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 48°C?
Determine end value of n in a hydrogen atom if the electron starts in n=4 and atom emits wavelength of 486nm.
Which of the following is a property of acid solutions?
How many grams of NaN3 are required to produce 20.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?
Consider two solutions. One solution is 0.1115 M Ca(OH)(2). The other is 0.1050 M HClO(4). a) Write a balanced equation for the reaction between the two solutions.
then we cooled in an ice bath. then we washed it with water. and then added bicarbonate to netralize any acetic acid or sulfuric acid present. then we did an an extraction.
You are asked to prepare an aqueous solution of ethylene glycol (HOCH2CH2OH) with a mole fraction of 0.142.
What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179g/mL , should be used to make 4.95 L of an HCl solution with a ph of 1.5?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts
a photon has a wavelength of 741nm calculate the energy of the photon in joules
Count Rumford observed that using cannon-boring machinery, a single horse could heat 11.6 kg of water (T = 273 K) to T = 355 K in 2.5 hours
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