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Assignment:
One of the non-conventional oil sources is tar sands. How does tar sands oil differ from "traditional" crude oil, and why do environmentalist oppose the recovery of tar sands oil?
A solution of a weak acid was tested with the indicators used in this exeriment. The colors observed were as follows: Methyl violet , violet, Congo red, violet , thymol blue, yellow, Bromcresol green, yellow, Methyl yellow, orange. What is the app..
A complex of correctly written formula [Pt(NH3)3Br]Br·H2O has which set of ligands in its inner coordination sphere. A) 3 NH3 and 2 Br- (B) 3 NH3, 1 Br--, and 1 H2O C) 3 NH3, 2 Br-, and 1 H2O (D) 3 NH3 and 1 Br-
calcium carbonate , CaCO3, reacts with stomach acid (HCl, hydrochloric acid) according to the following equation: CaCO3(s) + 2HCl(aq) > CaCl2(aq) + H2O(l) +CO2(g). one tablet of tums, an antacid, contains 500.0 mg of CaCO3. if one tablet of tums i..
Determine how to make the following dilutions for aqueous Cu(NO3)2 from 1.0M stock : 0.50M. The 3 and 2 are both in subscript.
Explain the structure of the main mononitration product(s) of 3 bromo 1 nitrobenzen?
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
How many molecules of triclosan are in a tube of toothpaste?
calculate the composition of the vapor phase at 25 °C if the vapor above the liquid phase is composed only of 1-propanol and 2-propanol
The mass of the water in the inner bath is 1.40×103g . The temperature of the calorimeter and its contents rises 2.83K as a result of this reaction. Calculate the calorimeter constant.
An equilibrium mixture at 225 degrees contains 0.14M NH3 and0.19 M H2 for the reaction of 3H2+N2=2. If the Kc at this temp is 1.0*102, what is the equilibrium concentration of N2
explain how many grams of sodium hydroxide should be added to the solution to produce a concentration as close as possible the desired 0.1000 M? Presume that the sodium hydroxide is carbonate-free.
Compute the change in temperature when 2 g of sodium chloride is dissolved in 270.0 mL of water initially at 25 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
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