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Question- Part 1) Human fat has a density of 0.918 g/cm^3. How much volume (in cm^3) is gained by a person who gains 11.5 lbs of pure fat?Part 2) Rolls of aluminum foil are 300mm wide and 0.016mm thick. What maximum length of aluminum foil can be made from 1.10kg of aluminum?( d(aluminum)=2.70 g/cm^3). Answer in m
Explicate the each step. Explicate the process and each step.
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
A buffer solution was prepared by adding 4.95 g of sodium acetate, NaCH3CO2, to 2.50 e2 ml of .150 M acetic acid. What is the pH of 1.00 e2 ml of the buffer solution if you add 82 mg of NaOH to the solution
Nuclides below the valley of stability can become more stable through which of the following processes
The H NMR spectrum of a compound with formula C3H8O demonstrate signals at 1.2 (doublet) 2.2 (singlet) and 4.0 (septet, split seven ways). Define the structure and provide an acceptable name of the compound.
A 31.3g wafer of pure gold initially at 69.3^\circ C is submerged into 64.1g of water at 27.7^\circ C in an insulated container. What is the final temperature of both substances at thermal equilibrium
Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration. Calculate the Ka of acetic acid.
Why does BrO2 have a free radical? explain the bonding that happen, and why it happens. Why does NO have a free radical? I know it's because there in one unpaired electron
The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell by 8.52 K when the copper block released 64.5 J of heat. What is the mass of the copper block?
Codeine (C18H21NO3) is a narcotic pain reliever that forms a salt with HCl. What is the pH of 0.069 M codeine hydrochloride (pKb of codeine is 5.80)
When aluminum is produced by electrolysis we get 5.68 tons of aluminum and 5.04 tons of oxygen. What is the empirical formula of the compound that is being electrolyzed
Illustrate that the rate at which shaft work is obtained or needed for a reversible change of state in a closed system at constant entropy as well as pressure is equal to the rate of change of enthalpy of the system.
Given a particle of mass m confined to rectangular surface pf length L1 in the x- direction and L2 in the y direction. potential energy is zero everywhere inside the 2D rectangular surface except at the walls, where it is infinite.
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