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The density of H2O2 is 1.463g/mL and the density of O2 is 1.428 g/L. How many liters of O2 can be made from 55.0 mL of H2O2? How many liters of O2 will form if 22.5 g H2O2 react?
Imagine that you have a 7.00 gas tank and a 2.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger ta
What volume would this air occupy if it were at 25.0°C under a pressure of 5.00 102 atm (a typical pressure in a compressed air cylinder)?
The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monoxide. If the yield of this reaction is 75%, what m
Aluminum burns in bromine producing aluminum bromide. In a laboratory 6.0 g of aluminum reacts with excess bromine. 50.3 g of aluminum bromide are produced. What are the three types of yield.
Calculate the heat released when 3.89 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
When the bottle is opened, the partial pressure drops to 3.0 multiplied by 10-4 atm. What is the solubility of CO2 in the open drink? Express your answer in grams per liter.
What mass in grams of carbon dioxide is produced if 85.0 mol of magnesium carbonate, MgCO3, are heated and allowed to decompose according to this equation? MgCO3(s)--> MgO(s) + CO2(g)
How many liters of ethylene glycol, CH2(OH)CH2(OH), should be added to a car radiator that contains a total of 6.5 L of coolant in order to protect the cooling system from freezing to a temperature
Consider the reaction between salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to form aspirin (C9H8O4): C7H6O3 + C4H6O3 → C9H8O4 + H2O What is the sum of all the coefficients in the balance
What is the molecular weight of a gas if a 250 mL sample of this gas collected over water at 735 mm Hg and 28.0°C has a mass of 1.25 gram? The equilibrium vapor pressure of water at 28.0°C
Refrigerators are usually kept at about 5 C , while room temperature is about 20 C. If you were to take an "empty" sealed 2-liter soda bottle at room temperature and place it in the fridge, would yo
The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
Suppose you titrate a 25 ml sample of vinegar with 17.62 ml of a standardized 0.1045 N solution of NaOH. what is the molarity of acetic acid in this vinegar?
How much PV work is done and what is the value of total energy change (in kilojoules) for the reaction of 0.50 mol of H2 with 0.25 mol of O2 at atmospheric pressure if the volume change is -5.6L?
Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure&nb
Energy in amount of 433 J is added to a 80 g sample of water at temperature of 27 degrees Celsius. What will be the final temperature for the water?
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
The amount of manganese in steel is determined by changing it to permanganate ion. Complete/balance equation...describe each reaction. calculate E and delta G at 25 degrees C for each reaction.
A camping lantern uses the reaction of calcium carbide, CaC2 (s) , and water to produce acetylene gas C2H2 (g) , and calcium hydroxide, Ca(OH)2 (s).
A 0.17 mole sample of a gas is put into a balloon when the temperature is 26 degrees celsius and the pressure is 757 torr. What is the volume of the balloon?
The vapor pressure of chlorine dioxide (ClO2 ) is 155 Torr at -22.75 ? C and 485 Torr at 0 ? C. What is the normal boiling point of chlorine dioxide? The universal gas consta
Consider the following observations taken on successive, cloudless autumn mornings. On the first day, a considerable amount of frost is on the grass at sunrise. On the second day, only dew appears
What is the molarity of a solution of sodium hydroxide that contains 47.0 g of NaOH in 205.0 mL of solution? Use a molar mass with at least as many significant figures as the data given.
Calculate the potential volume of the gas contained in a 495 mL aerosol can when it is heated from 25°C to 54°C (approximately 130°F), assuming a constant pressure.