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The student added 50.0 ml of cold water to ml of heated, distilled water in a Styrofoam cup. The initial temperature of the cold water was 21.00C and of the hot water, 29.15C. The maximum temperature of the mixture was found to be 24.81C. Assume the density of water is 1.0g/ml and the specific heat 4.184J. Determine the temperature change for the hot and cold water.
which one of the following alkyl halides gives the highest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol, and why?
What information do molecular formulas, condensed structural formulas, Lewis structures and bond line formulas provide
the side of the coil which cuts magnetic flux link from the north pole first becomes the live wire. Is there any reason behind that or is it just a natural phenomena?
Why is it important to use a large excess of sodium borohydride when doing a reduction in aqueous ethanol. Consider what reaction might occur between water and sodium borohydride.
When most Fe^3+ salts are dissolved in dilute nitric acid, the solution is often yellow to orange-yellow in color. Why could you not visually detect these colors in Fe(NO3)3 stock solution
Methanol undergoes combustion in oxygen to make Carbon Dioxide Gas & Liquid Water. Find Standard Enthalpy of Reaction?
Determine How much sodium hydroxide (in grams) is required to form 546 mL of solution with a pH of 10.00?
A 15.0 gram sample of chromic acid is dissolved in enough water to produce 275 mL of solution. The concentration of the solution is ?
What is the final pressure in the container if 705 mL of helium gas at 205 mm Hg is compressed to 255 mL?
Determine the number and symmetry of the vibrational modes in the molecule (trans-1,2-dichloroethylene). how many resonances would you expect to see in the IR spectrum
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic
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