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A 4.70 g nugget of pure gold absorbed 285 J of heat. The initial temperature was 24.0°C. What was the final temperature?
Calculate the minimum energy that a bird of mass 25 g must expend in order to reach a height of 50 m.
You have pure beta-D-glucopyranose of 100 grams nearly, it was dissolved in an ethanol/water combination with the intention to recrystallize the sugar. You get pure beta-D-glucopyranose crystals 60 grams back why this 40% loss was to happen.
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?
At a temperature of 425 0C and a pressure of 735 mmHg, how many grams of {NH_3} can be produced when 4.40 L of {NO_2} react.
The half-life of carbon-14 is 5,730 years. If you started with 100.0 g of carbon-14, how much carbon-14 would remain after 4 half-lives.
When 2-chloro-2-methylbutane is treated with a variety of strong bases, the products always seem contain two isomers (A and B) of formula C5H10.
What is the molar heat of vaporiza-tion of C6H6 if the vapor pressure of C6H6 is 120 torr at 27 degree celsius, and its normal boiling point is 80.1 degree celcius.
Determine the change in Ssys for the process if the specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
A solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C.
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