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Aluminum reacts with chlorine gas according the following equation shown below. How many moles of Cl2 are required to react with 0.060 mol of Al?
2Al(s) + 3Cl2(g) --> 2AlCl3 (s)
when 45.0 grams of C2H6 are completely combusted, 60 grams of water are produced. Is the ethane pure?
The rate law of a given reaction is rate=k[reactant]^2, with k=2.64 x 10^-4 M-1min-1. If the initial concentration is 0.0250 M, what is the initial rate?
a) Explain the octet rule. b) Briefly describe two situations which are exceptions to the octet rule; include relevant chemical formulas to support your descriptions.
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
suppose in the procedure to extract tert-butylphenol from the ether layer you accidentally added the second 10 ml of
Alka-Seltzer contains both baking soda (NaHCO3) and citric acid (H3C6H5O7). The reaction between the bicarbonate ion and citric acid produces water
What mass of C2H5OH should be added to 620kg of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35 C over the mixture is to be 8 torr? The vapor pressure of pure ethanol at 35 C is 100 torr.
If 6.830 moles of an ideal gas has a pressure of 3.290 × 105 Pa and a volume of 0.105 m3, what is the temperature of the sample in degrees celsius
calculate the concentration of a monotropic basic solution given that 99.3ml of the basic solution is neutralized by
What was the temperature of the sample after heating. Please show work I've asked this question before and I'm getting mixed answers.
Synthetic polypeptides can assume an helical structure under appropriate conditions. Indicate whether polylysine and polyglutamate form an helix or a disordered structure at the indicated pH values.
Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) + 25O2(g) ? 16CO2(g) + 18H2O(l) ?H°rxn = -11,020 kJ/mol. Given that ?H°f[CO2(g)] = -393.5 kJ/mol
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