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What is the mass of the solid NH4Cl formed when 73.0 g of NH3 are mixed with an equal mass of HCI? What is the volume of the gas remaining, measured at 14degrees C and 752 mmHg? What gas is it?
When silver tarnishes, silver metal reacts with the element sulfur to form a gray deposit of Ag2S. If Ag reacts with S to form this compound, identify which element is being oxidized and which is being reduced. Explain h ...
Suppose 68 g of carbon monoxide is reacted with 8g of hydrogen gas to produce methanol (chemical formula CH3OH or CH4O) a) Calculate the theoretical yield of methanol. b) If 3.57 x 10^4 of methanol is recovered, what is ...
Identify the chemical components and the proportions necessary to achieve a buffer with the desired pH. Include relevant calculations in your answer.
You are tasked to determine the amount of blue dye in a sample of purple energy drinka a) How would you be able to see only the blue dye to determine concentration when the drink itself is purple? b) Describe the procedu ...
A 15-gram sample of neon is placed in a sealed container with a constant volume of 8.5 liters. If the temperature of the container is 27ºC, which of the following expressions gives the correct pressure of gas? The ideal ...
Analyzed individually, two solutes have retention times of 17 s and 21 s with peak widths at half-maximum (w1/2) of 1.9 s and 2.8 s, respectively. If the two solutes are analyzed together, what would be the resolution on ...
A 4.00g sample of an ideal gas occupies 1.24L at 23 degrees Celcius and 1.12bar. What will be its volume at 14 degrees Celcius and 1.50bar?
Directions: "Refer back to equation (2), and consider carefully whether you could simply have used the pH value of the solution at the very beginning of the titration, before any base had been added, to determine either ...
(Subject: Chemistry & Physics) Please answer all questions. Please be clear. Short answers are fine. 3-4 sentences. 1) If a feather and a lead ball are dropped from 1000m in AIR (vacuum) , will they hit the ground at the ...
The volume of a sample of nitrogen is 6.00 liters at 35oC and 740 torr. What volume will it occupy at STP?
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