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Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
A camping stove uses a 5.0 L propane tank that holds 3.0 kg of liquid C3H8. How large a container would be needed to hold the same amount of propane as a gas at 25 C and a pressure of 3.0 atm?
What are the intermolecular forces in acetanilide and chloroaniline?
A 89.0-kg person stands on a scale in an elevator. What is the apparent weight in each of the following situations?
Pouring liquid nitrogen onto a balloon decrease the volume of the balloon dramatically. Afterward, the balloon reinflates. Use kinetic theory to explain this sequence of events. The temperature of
What is the buffer capacity of the solution? That is, how many millimoles of strong acid or strong base can be added to the solution before any significant change in occurs?
How many kilograms of chalcopyrite must be mined to obtain 315 of pure?
If the freezing point of a 10.0g sample of t-butanol is 24.59C. How many grams of water are present in the sample?
what are the magnitude and direction of the maximum force on the man from the woman? what are the magnitude and direction of the maximum acceleration of the woman and the magintude.
What is the CAS number for 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone
Ionic concentrations of Na+ and K+ ions in the plasma of mammalian cells are 145 and 4 mM, and in the cytoplasm are 12 and 140 mM, respectively. Calculate the magnitude of electrical potential acros
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
A lead ball is dropped into a lake from a diving board 4.80 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the wat
How many air molecules are in a rm 12.0 times 12.0 times 10.0~ft room? Assume atmospheric pressure of 1.00 rm atm, a room temperature of 20.0 rm {}^{circ}C, and ideal behavior.
Determine the mass in grams of NH3 formed from 1.34 moles of nitrogen
A 20,000 kg railroad car is traveling at 3 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?
Ethane C2H6 burns in oxygen. What are the products of reaction. Write the balanced equation for the reaction
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) -> H2(g) + I2(g) .
A fisherman and his rowboat have a combined mass of 125 kg. Standing in the motionless boat in calm water, he tosses out a 5 kg rock from the back of the boat, with a velocity of 5 m/s. What will be
A buffer solution is made by dissolving CH3COOH and NaCH3COO in water. Write an equation that shows how this buffer neutralizes added acid? write and equation that shows how this buffer neutralizes
A 72.0 kg base runner begins his slide into second base when he is moving at a speed of 4.5 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is ze
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2). Estimate the equilibrium constant K at 298 K for the equilibrium HbO2 + CO <-->
A high-flying Concorde passenger jet displays its Mach number on a screen while cruising at 3000 km/h to be 1.8. What is the speed of sound at that altitude?
A sample of 6.022 g of CH4 is enclosed in a 12 L container at 402 K. What is its pressure in atmospheres?
Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 10.82 g of ethane is mixed with 62.90 g of oxygen. Calculate the maximum mass of water tha