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Rubidium has a heat of vaporization of 69.0 KJ/mol and entropy of vaporization of 71.9 J/K mol. Compute the boiling point of rubidium.A. 543B. 265C. 687D. 923E. 310
Diamond is the hardest known substance. Fe metal is soft sunstance. Using your knowledge of bonding, explain why diamond is hard
using le chateliers principle to predict the effect of a change in conditions on a chemical equilibrium.nbsple
CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) . If 34 g of CaC2 are consumed in this reaction, how much H2O is needed?
NaHCO3 + HCl I have provided the products for you here. Can you please try to determine the reactants and then balance the full equation.
The solubility product Ksp for silver iodide is 1.5X10%u221216 at 298K. calculate the osmotic pressure of a saturated aqueous solution of silver iodide at this temp. you may assume that the solution behaves ideally.
If you use 25.0 mL of the 0.24M sodium hydroxide solution to titrate a 0.40 M solution, how many mL of HCl will be used
Which would be safer if exposed to a flame, a gas can full of gasoline or a can with half air and half gasoline. Explain.
which is used as a sugar substitute, is produced by the reduction of D-xylose. Draw xylitol. show all hydrogen atoms, and connect the appropriate atoms using bonds
The atomic mass of Gallium is 69.72 amu which has two isotopes, Ga-69 (atomic mass= 68.92 amu) and Ga-71(atomic mass= 70.92 amu). What's the precent abundance of Ga-71 Isotope
Utilizing the average atomic masses for each of the following elements, Compute the number of moles of the element present in each of the following samples
Explain the resolution limit of a microscope is roughly equal to the wavelength of light utilized in producing the image. Electron microscopes utilized an electron beam in place of photons to produce much higher resolution images, about 0.16 in mo..
In photography, solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 × 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.00 L of 0.238 M Na2S2O3.
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