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At what temperature does the numerical reading on a Celsius thermometer equal that on a Fahrenheit thermometer
A particular Lake contains 10^10 liter of water. Due to acidification, the pH of the Lake is 5.00. It has been decided to add enough calcium carbonate to the lake to bring the pH to 6.00.
Osteo imperfecta displays a wide range of symptoms for mild to servere. On the bases of amino acid and collagen structure,
Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10 M acetate ion
Calculate the number of moles of H2O that will be produced by the reaction of .530 moles of solid Al(OH)3 with excess aqueous HClO3
If 4 g of CuSO4 is dissolved in 9.0x10^2 mL of 0.40 M aqueous NH3, what are the concentrations of Cu2+, Cu(NH34 2+, and NH3 at equilibrium? (Kf = 5x10^13)
Draw a mechanism for each reaction which explains the results. All electron movement must be indicated by arrows.
A 4.70 g nugget of pure gold absorbed 255 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
The heat capacity for liquid water is 4.18 j/g . C, and the heat of vaporization is 40.7 kJ/mol. How many joules of heat must be provided to convert on gram of liquid water at 67 degrees C into one gram of steam at 100 degrees C?
Aluminum oxide can be reduced to aluminum metal using carbon, the other reaction product being carbon
What mass of potassium can be produced by the reaction of 215 g Na with 296 g of KCl?
Outline a detailed scheme utilizing extractions that he can use to separate the mixture back into the pure components before the professor finds out.
Until 200 yr ago, manufactured iron contained charcoal produced from freshly cut wood that was added during the smelting process. As a result of this practice, older samples of iron can be dated accurately using the carbon-14 method
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