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What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas?
Unbalanced equation: Al + O2 → Al2O3
Show, or explain, all of your work along with the final answer.
Consider an electron moving from an n = 2 orbital to an n = 1 orbital. For this to occur, will the atom need to absorb energy or dissipate energy by releasing a photon of electromagnetic radiation. Is the n = 2 orbital more or less stable than the..
Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below. Chirping Rate Temperature
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal 2.90kJ?
use the chemical reactions shown below to answer the following question.io3- aq 5 i- aq 6 h aq rarr 3 i2 aq
The amino acid alanine is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents alanine with the R configuration or alanine with the S configuration.
The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feedwater into steam. a) Calculate the concentration of CO (ppm) in the stack gas.
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)
When a mixture of 10.0 g of C2H2 and 10.0 g of O2 is ignited, the resultant combustion reacion produces CO2 and H2O. How many grams of C2H2, O2, CO2
A 10.4-g sample of CaCl2 is dissolved in 107 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
What are the pressures, temperatures, enthalpies, and mass densities of the substance at the beginnings and ends of the processes?
Carbon's 2s and 2p orbitals are hybridized, resulting in three hybrid sp2 orbitals and one (non-hybridized) pz orbital. Each new orbital has one lone electron assigned to it.
The formulas for ethane, ethene and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond.
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