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An automobile gasoline tank holds 21kg of gasoline,when the gasoline burns, 84kg of oxygen is consumed, and carbon dioxide and water is produced. What is the total combined mass of carbon dioxide and water?
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure. How many moles of gas did the system gain or lose?
The mass of the dry gas is 872 mg. A fragment of the tank indicates that the gas is a monoatomic element. Write out the full name of the gas.
describe a working voltaic cell that incorporates a standard nickel half-cell and that has a net cell potential greater than 1 V. Include: 1. balanced equations and Enet calculations
Show why this chemical is dangerous, by showing chemical reactions for its formation in the environment and its reactions in the atmosphere.
the solubility in water is 8.7 g per 100 mL at 20 degrees C and 34.2 g per 100 mL at 100 degrees C. Write the equation for the solubility equilibrium, including heat as a reactant or product. What is the sign of DeltaH of the solution
A baseball pitcher's fastball is clocked at 100 miles per hour (mph). Calculate the wavelength of a 141 g baseball in nm at this speed.
What is the theoretical yield (in grams) of the precipitate when 22.35 g of barium nitrate reacts in solution with 11.37 g sodium carbonate
Propose structures for aromatic hydrocarbons that meet the following descriptions:
Acetic anhydride, like any anhydride, reacts with water to form a carboxylic acid. How is it then possible to carry out an acetylation in aqueous solution?
How much heat is required to heat 10.0g of ice at -5.00 degree Celsius to become water vapor at 107.00 degree Celsius.
Iridium-192 is often used in the head or breast. Answer the following three questions (a, b, and c) based on the radioactive decay curve of iridium-192, shown below. Click on the graph and move the mouse over a point to get values for that point.
420 g of butane reacts with 1510 g of oxygen to produce 1390 g of carbon dioxide and 652 g of water.What is wrong with this description?
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