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Calculate the maximum mass of calcium metal that should be used in this experiment with a 50mL eudiometer tube for gas collection. Assume that the hydrogen generated occupies 45 mL at STP. The experiment is: reaction of .054 g of Al with 100 mL of 6.00 M sulfuric acid.
If a 0.10M aqueous weak acid solution has a pH of 2.50 what percentage of the acid is dissociated
A copper refinery produces a copper ingot weighing 171 lb. If the copper is drawn into wire whose diameter is 8.25 mm, how many feet of copper can be obtained from the ingot?
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers,
What will the pH of the solution be when 0.1316 L of 2.1 M NaOH are added to the 421 mL of 0.501 M carbonic acid? How many mL of the 2.1 M NaOH are needed to raise the pH of the carbonic acid solution to a pH of 6.019?
Does anyone now the balanced equation (including moles for each reactant and product) for 1-pyrrolidino cyclohexene
When 5.00g of LiCl is added to 100g of water the temperature of the water was found to increase by 9.94*C. Calculate the molar enthalpy of solution for LiCl. Assume the specific heat of the mixture is 4.18 J/g*C.
sample of a gas at 25.0 oC and at a pressure of 3 atm, what will the pressure be if the temperature is raised to 50.0 oC?
the difference between E and Z formations for organic molecules and how to establish priority according to the Cahn-Ingold-Prelog rules.
Atoms contain protons. 2)Nuclei move out of the paths of the alpha particles. 3)Neutrons have zero charge.
calculate the molarity of 52.56 grams of al2so43 in 1.80 l of
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
Which element has an oxidation number of 7. A. Mn in MnO4- B. I in IO3- C. Fe in Fe2O3 D. Cl in ClO2
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