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Problem- You are interested in manufacturing a diamond from graphite. Burning one mole of graphite in oxygen yields 393.5kJ, whereas burning a mole of diamond (12 grams!) produces 395.4kJ Calculate the amount of heat required to completely convert 1.00 mol of graphite into a diamond. It will help to consider if these burning reactions are endothermic or exothermic (what is the sign of delta H of in these reactions?Should reply all parts for five stars
Give the chemical equation for the reaction that occurs in (B) to reach equilibrium.
Write a complete set of quantum numbers for the fifth electron added to a hydrogen ion. (ie, the fifth electron in any electron configuration). N= l= ml= ms=
what is the calculated value of partial pressure of o2 in acid mine water of ph 2 in which fe2+=fe3+.
Two separate containers filled with nitrogen gas, each contain 0.16 moles of gas. Container 1 has a volume of 0.188 L at a temp of 169.2 K. The second container is kept at 247.8 K. What is the volume (in liters) of nitrogen gas in container 2. Con..
calculate the number of excess reagent units remaining when 154 C6H14 molecules and 1539 O2 molecules react?
lf the catalyzed decomposition of NrO occurs first at a Tr:341 K and then atTr = 229 K, with a k/k, ratio of 0.500, what is the activation energy
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
Sodium carbonate is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×103 of sulfuric acid solution?
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.
How many moles of excess reactant are present when 366 mL of .206 M sulfuric acid reacts with .596 L of .172 M sodium hydroxide to form water and aqueous sodium sulfate
find out that how many mL of this suspension must be given to an infant with 21lb weight if the recommended dose =10 mg/kg body weight?
A 54.14 g sample of a substance is initially at 28.6 C. After absorbing 2631 J of heat, the temperataure of the substance is 179.1 C. What is the specific heat (c) of the substance
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