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Explain how you would draw a complete mechanism for the mono nitration of naphthalene? The naphthalene will form two products first 1-nitro naphthalene or second is 2-nitronaphthalene
An aspirin tablet with a mass of 1.00 g, is burned in air. Upon completion, 4.00 g water and 2.20 g of carbon dioxide are collected. The molar mass of aspirin is among 190 g/mol and 170.
Determine the number of moles of nitric acid is in the sample you take? Calculate the concentration of the nitric acid in the final solution?
Metallic iron crystallizes in cubic lattice where the density of iron is 7.87 g/cm3 and the unit cell edge length is 287 pm. Determine the numbers of iron atoms are within a unit cell?
Suppose your product has a melting point of 187-190 Celsius and even though this value does not match any of the isomers, then explain how can you still state which chlorotoluene you started with?
Discuss what happens when the pH of the reaction mixture as the oxidation reaction proceeds together? Reaction: chlorotoluene + potassium permanganate (heat) yields chlorobenzoic acid + manganese d
Determine the number of milliliters of coffee can be obtaining from 1 g of coffee beans? A pound of coffee beans yields 51 cups of coffee (4 cups = 1 qt).
Describe the relationship among Solubility and polarity of organic compounds? Explain how is changing the PH of a solution related to solubility?
When the ice melts than what volume of liquid water will form? And after the ice melts how much water could you add to the container? If you have a 250-mL container wholly filled with
The heat capacity of a bomb calorimeter was calculated by burning 6.79 g of methane where the energy of combustion =-802 kJ/mol CH4 in the bomb and the temperature changed by 10.1°C.
Explain at what mass of this substance must evaporate to freeze the 200 g of water initially at 15 C. Heat of fusion of water is 334 and specific heat 4.18. Heat of vaporization 289, and th
Calculate the rules for naming hydrocarbons? If we substitute some of the hydrogen atoms with, for example, chlorine atoms then how do those rules change?
Determine the number of pounds of N2 and H2 are required to make 1billion lb of ammonia if 1 g mole of N2 and 3 g mole of H2 are consumed to make 2 g mole of NH3.
A chemist acquired the following data for the alcohol content of blood: %C2 H5OH: 0.084, 0.098 and 0.079. Determine the 95% confidence interval for the mean assuming
At 25degrees Celsius a particular brand of gasoline contains the density of 0.737 g /mL. Determine the number of grams of this gasoline would fill a 15.0gal tank?
Titanium melts at 1677°C and the 7-Titanium metal is used in aerospace alloys to add strength and corrosion resistance. Determine this temperature in degrees Fahrenheit?
Determine the percentage of each conformer at equilibrium if the energy difference of 3.8 kJ/mol among anti butane and gauche corresponds to an equilibrium constant, Keq, of approximately 1.9.
The mass of diamonds is often measured in "carats", the Diamond has a density of 3.513 g/cm3, where 1 carat equals 0.200g. Determine the volume of a 1.50 carat diamond?
Explain the rate expressions that describe the rate of disappearance of the reactant and the appearance of each product.
At 20.0°C an unknown liquid having 32.5-g sample is heated to 120°C. During this heating, the density of the liquid changes from 0.854 g/cm3 to 0.797g/cm3. Explain what volume would thi
In equilibrium you have a liquid and its gaseous form in a cylinder and piston assembly in a constant temperature bath. Explain an example of irreversible process.
The thermometer is calibrated correctly and an alcohol thermometer is in a boiling cup of water. The thermometer reads 99.00 Degrees Celsius. If the water shouldn't the thermometer read 100 Degrees C
The state of the atom is described by a wave function because a hydrogen atom attached to a metallic surface which is undergoing oscillatory motion so that that is proportional to the square of the
The wave function in a linear accelerator of an electron is Ψ =cos(X) eikx + sin(X) e-ikx, where X(chi) is a parameter. Determine the probability that the electron will be found with a line
Determine the de Broglie wavelength of (a) a mass of 2g traveling at 1 cm s-1, (b) the same, traveling at 250 kms-1, (c) Determine a He atom traveling at 1000 m s-1.