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A student used 7.15 g of CaCl2 and 9.25 g of K2 CO3 to make CaCO3.
The actual yield was 6.15 g of CaCO3. Calculate the limiting reagent and the percent yield. Explain and show all work in how you obtain your answer
The heats of endothermic reactions are assumed the same as the heats of exothermic reactions, thus neglected for this estimation. The heat capacity of this woody biomass, 2.72 kJ/kg·?C, is assumed constant.
The reaction of aqueous zinc chloride and aqueous potassium phosphate is represented by the balanced net ionic equation. 3Zn2+(aq) + 2PO43-(aq) -----> Zn3(PO4)2(s) Give the balanced complete ionic equation for the reaction. Include the states.
Calculate the concentration of a NaOH solution if 0.1379 g of succinic acid (H2C4H4O4, 118.09 g/mol) requires 12.4 mL of NaOH solution
How much heat is absorbed when 45.00 g of carbon reacts with SO2 to produce CS2 and CO according to the following reaction? 5 C (s) + 2 SO2 (g) ? CS2 (l) + 4 CO (g) ?H° = 239.9 kJ
Predict the products likely to be formed via the anti- addition of Br2/acetic acid to trans- cinnamic acid. • What is the predicted m.p. of the brominated product(s) you prepare via this method
A hydrate has the following percent composition: Pb = 54.61%, C = 12.66%, H = 1.61%, O = 16.88% and H2O = 14.24%. What is the formula of the hydrate.
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol. please show work how you arrive with the answer.
Problem- Given a vapor pressure of toluene of 21 mm Hg, at 760 mm Hg, what is the equilibrium concentration for toluene
a 1.0-ml volume of .010 m h2so3 is added to amixture of 12 drps of .01 m hio3 8 drops of deionized water and 1drop of
Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution.
given the equation at a particular temperature k 1.6 acute 104. if you mixed 5.0 mol b 0.10 mol c and 0.0010 mol a in
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