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1. What mass of carbon dioxide is produced from the complete combustion of 4.30×10?3 of methane?
Express your answer numerically in grams.
2.What mass of water is produced from the complete combustion of 4.30×10?3 of methane? in grams
3. What mass of oxygen is needed for the complete combustion of 4.30×10?3 of methane? in grams
If 45.8 grams of aluminum metal are reacted with excess HCl, what volume of H2 gas would be generated at 23.0 ºC and 1.00 atm pressure?
The reaction of sodium hydroxide with sulfuric acid in water is given by the following equation
what are some examples of situations where recrystallization would not be suitable to purify an organic compound
After tert-amyl chlorid has been distilled, one notices that there is some liquid remaining and this liquid distills at approximately 373.15K.
In a coffee-cup calorimeter, 1.50 g of NH4NO3 is mixed with 76.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.65°C.
An aqueous solution of hydroiodic acid is standardized by titration with a 0.182 M solution of barium hydroxide. If 17.7 mL of base are required to neutralize 21.9 mL of the acid, what is the molarity of the hydroiodic acid solution
how fast must a 144.1g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with = 73 pm?
The standard reaction enthalpy for the decomposition of CaCl2_NH3 into CaCl2 and NH3 is nearly constant at +78 kJ/mol between 350 K and 470 K.
A 1.25g sample of ore containing iron pyrite (FeS2) was pulverized and ignited in air, converting the Fe2O3 and SO2. The Fe2O3 produced weighed 0.516g.
A gas mixture contains helium and oxygen at partial pressures of 255 torr and 0.450 atm. what is the total pressure, in mmHg, of the mixture after it is placed in a container on-half the volume of the original container
The principal quantum number (n): A. specifies the principal shell of the orbital. B. specifies the subshell of the orbital. C. specifies the 3-D shape of the orbital
Calculate the average translational kinetic energy (sometimes just called average kinetic energy)
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