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The metal barium crystallizes in a body-centered cubic lattice. If the density of barium is 3.51g/cm3, what is the unit cell volume?
A. 6.50×107pm3
B. 4.25×104pm3
C. 1.30×108pm3
D. 8.49×104pm3
E. 9.46×105pm3
Predominant Organic Acids Present in Softwoods such as Pine, A wood chemistry course in which we are asked to explain the hierarchy of the organic wood acids present in softwood species like pine or spruce.
When a molecule forms a hydrogen-bonded dimer as shown in your lab manual on pg 162 or is an electrolyte, you need to account for Van't Hoff factors. For the dimer shown in manual
Consider the case is which the volume and temperature of ONE mole of an ideal gas depends explicitly on the time, t. obtain an equation (a differential equation essentially)
structure of the substance to be used in this experiment to initiate free radical chain chlorination
The freezing point of t-butanol is 25.50°C and Kf is 9.1°C · kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 10.2 g sample of t-butanol is 24.59°C, how many grams of water are present in the sample?
A 2.01 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
supposed 175 mmol of NH3 and 131 mmol of O2 are added to an empty flask how mych NH3 will be in the flask at equilibrium.
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
calculations to determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
How many grams of CaH2 are needed to generate 19.0 L of H2 gas if the pressure of H2 is 780. torr at 15 C?
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
diazomethane and ozone both behave as 1,3 dipoles. Indicate, by drawing their resonance forms, how they can behave as 1,3 dipoles and draw the products of the reaction with styrene.
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