Determine the volume (L) of nitrogen monoxide gas that is created at STP when 32.2 g of solid copper reacts with excess nitric acid. 3Cu(s) + 8HNO;(aq) 3Cu(NO;)2(aq) Answer: [ Select ] [ Select ] [ Select ] (select a value, unit, and substance) <> <>

Determine the volume (L) of nitrogen monoxide gas that is created at STP when 32.2 g of solid copper reacts with excess nitric acid. 3Cu(s) + 8HNO;(aq) 3Cu(NO;)2(aq) Answer: [ Select ] [ Select ] [ Select ] (select a value, unit, and substance) <> <>

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter5: Gases, Liquids, And Solids

Section: Chapter Questions

Problem 5.47P

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Recorded barometric pressure: 758.9 mmHg Mass of Aluminum used= .021 g Volume of gas in gas burette after placing into leveling tank= 23 mL temperature in levelling tank: 21 oC Room Temperature: 294.45 K Partial pressure of water vapor: 17.5 mmHg 2 Al (s)+ 6HCl (aq)>>>>2 AlCl3 (aq)+ 3 H2 (g) 1. How to calculate the theoretical yield of H2 gas (mL) based on the mass of Aluminum used. 2. How to calculate the % error of H2 gas.
An open-end mercury manometer is to be used to measure the pressure in an apparatus containing a vapor that reacts with mercury. A 10-cm layer of silicon oil (SG = 0:92) is placed on top of the mercury in the arm attached to the apparatus. Atmospheric pressure is 765 mm Hg.(a) If the level of mercury in the open end is 365 mm below the mercury level in the other arm, what is the pressure (mm Hg) in the apparatus?(b) When the instrumentation specialist was deciding on a liquid to put in the manometer, she listed several properties the fluid should have and eventually selected silicon oil. What might the listed properties have been?
The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen, or nitrogen. To find out, you evacuate a 5-liter flask, seal it and weigh it, then let gas from the cylinder flow into it until the gauge pressure equals 1.00 atm. The flask is reweighed, and the mass of the added gas is found to be 13.0 g. Room temperature is 27°C, and barometric pressure is 1.00 atm. What is the gas?
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Gypsum (plaster of Paris : CaSO,. 2H,0) is produced by the reaction of calcium carbonate and sulfuric acid. A certain lime stone analyzes: CaCO, 96.89 %; MgCO, 1.41 %; inerts 1.70 %. For 5 metric tons of limestone reacted completely, determine: a. kg of anhydrous gypsum (CaSO,) produced. b. kg of sulfuric acid solution (98 wt%) required.
What is the Molecular weight of a certain volatile liquid which is placed in 225 g flask which has total capacity volume of 251.07 ml where after the liquid was heated to 94.5 oC, the gas volatilized and the weight of the flask measured 227.08g.? Round you answer in one decimal place
The volume of HCI is 100 mL , mass of solid added is 1.008g, moles of solid 0.0276 Mol, mass of HCI is 100g, initial temperature is 21.8 degrees Celsius, Final temperature is 30.7 degrees Celsius, Calculate q rxn(= -mc Delta T of HCI),
Most anesthetic 'gases' are volatile liquids and therefore must be vaporized in order to be delivered in a gas form to the lungs. The vaporizer holds the gas in an equilibrium condition in which the concentration of the gas molecules remains constant on average. Oxygen gas then flows into the vaporizer and moves a mixture of O₂ and anesthesia into the tube for the patient. A 35.2 g sample of halothane is 0.178 moles. At STP, what is the concentration (% v/v) of 35.2 g of halothane that has been completely vaporized into a container with a volume of 224 L? Assume that halothane is an ideal gas.
The gas left in a used aerosol can is at a pressure of 199.5 kPa at 292.9K. If the can is thrown into a fire what will the internal pressure of the gas be when its temperature reaches 1,015.1K? Answer in units of kPa. Round your result to the nearest tenth. Please include all steps, formula used, and a clear handwriting. Thank you!
1. One of the first families of rockets used by the American space program was the Redstonefamily of rockets. The first Redstone rockets (in the 1950s) used B10H14 (often called decaborane)as a rocket fuel that reacts violently with liquid di-oxygen to make diboron trioxide and steam.When used as a rocket fuel, scientists carefully calculated the amount necessary so that bothcomponents ran out at the same time. (Excess fuel would be excess weight for the rocket tocarry.) If the total mass of both reactants put together is 12.0  104 kg, what was the volume ofliquid di-oxygen carried by the rockets? (Liquid di-oxygen has a density of 1.141 g/mL.)
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