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A 100.0-g sample of copper is heated from 10.0 degrees Celsius to 100.0 degrees Celsius.
Determine the number of calories needed. (The specific heat of copper is 0.0921 cal/g degrees Celsius.)
The same amount of heat is added to 100.0 g of Al at 10.0 degrees Celsius. (The specific heat of Al is 0.215 cal/g degrees Celsius. Which metal gets hotter, the copper or the aluminum?
Problem- At 1 atm, how much energy is required to heat 75.0 g of H2O(s) at -12.0 degree C to H2O(g) at 153.0 degree C
why is it not possible to convert bromobenzene to benzoic acid by the nitrile method and how could this conversion be
Cyanic acid (HOCN) and isocyanic acid (HNCO) differ in the position of their electrons, but they are not resonance structures. Explain.
Calculate the number of grams of sulfuric acid present in the mixture after the reaction is complete. Calculate the number of grams of lead II sulfate present in the mixture after the reaction is complete.
A particle rotates on the surface of a sphere. The angular momentum of the particle can be considered as a vector starting at the center of the sphere and pointing outward.
What is the molarity (mol/L) of a potassium permanganate solution if 14.09 mL of it was used to titrate a 10.00 mL sample
Which of the following solutions has a concentration of 0.10 M? a. 518.8 mg potassium iodide dissolved in 3.125 mL water b. 415 mg potassium iodide dissolved in 2500 mL water c. 103.8 mg potassium iodide dissolved in 6.25 mL water
What is the fraction of association (?) for the following potassium propionate solutions? Ignore activities. The Ka of propanoic acid is 1.34 x 10-5.
how many grams of CaCl 2 would be required to produce a 3.5 M(molar) solution with a volume of 2.0 L?
Question- Calculate the mass of barium chloride you need to make a .200 m barium chloride solution with 100.0g of water. Show the computation
Problem- Calculate the resolution for a 1115.5 keV Zn peak that has a FWHM of 2.01 keV. 1) Calculate the resolution for a 1115.5 keV Zn peak that has a FWHM of 200 keV.
the electron affinity of each group 5a elements is more positive than that of each corresponding group 4a element. use
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