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Descriptive Inorganic Chemistry Textbook 5th Edition - Questions 4.18 & 4.20
1) In a body-centered unit cells, the atoms usually touch across the diagonal of the face. If the atomic radius is r, calculate the length of each side of the unit cell.
2) The atoms in barium metal are arranged in a body-centered cubic unit cell. Calculate the radius of a barium atom if the density of barium is 3.50 g (cm^-3). Use Question 1 to help with Question 2.
Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly
The equilibrium constant will decrease. C. The reaction will shift to the left in the direction of reactants. D. The equilibrium constant will increase. E. The reaction will shift to the right in the direction of products.
Compound A has a solubility of 18 grams per 100. grams of water at 25*C. Cooling a saturated 200. gram solution of a compound A from 84*C to 25*c results in a precipitation of 22 grams of the compound. Calculate the solubility of compound A at 84 ..
This week we look at metals and metallurgy, and this includes the industrial processes that make modern life possible, such as steel and aluminum production.
Use a molar mass of 800g/mol for the vegetable oil and use a density of 0.88g/mL for vegetable oil and 0.79 g/mL for methanol to calculate how many moles of ethanol are used.
Albumin is human protein plasma with a molar mass of 69 000 g mol-1. What would be the osmotic pressure of a solution of this protein containing 2.0 g per 100 mL at 25oC.
draw the molecule by placing atoms on a grid and connect with bonds for when the cyclopentane is exposed to Br2 in presence of light.
Explain how many grams of silver(I) nitrate are required to react completely with 99 mL of 0.85 M hydrochloric acid solution to form silver chloride solid
Compute delta Hf for CaC2 : CaC2 + 2H2O-->Ca(OH)2 +C2H2 From the given enthalpy of reaction data as water(H2O) =(2*-285.83),calcium hydroxide Ca(OH)2=(-986.2) , AcetyleneC2H2 =(226.77)?
Draw the structures of and label as the major and minor dehydrohalogenation products of reaction between 2-bromo-2-methylbutane with sodium ethoxide in ethanol.
A 1004.0 g sample of calcium carbonate that is 95% pure gives 225 L of carbon dioxide at STP when reacted with an excess of hydrochloric acid. What is the density in g/L of the carbon dioxide?
if 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution what is the molar concentration
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