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When a 0.550g sample of olive oil is burned in a calorimeter, the heat released increases the temperature of 370g of water from 22.7C to 38.9C? What is the energy value of the olive oil in kJ/g and kcal/g?
You are asked to create a stock solution of sodium chloride by dissolving 11.7g of solid to create 200 ml of solution. What is the concentration of the solution of sodium chloride you made
A student wrongly added 12 M HCl to a sample of unknown instead of 6 M HCl. At first a. large amount of light color precipitate formed however some dissolved on further addition of concentrated HCl. State an equation for the reaction that might oc..
If 86.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Silver crystallizes in face centered cubic unit cell. a silver atom is at edge of each lattice point the length of the edge of the unit cell is 0.4086 nm. What is the atomic radius of silver
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution occurs.
the reaction of 0.779 g k with oltsubgt2ltsubgt forms 1.417 g potassium superoxide a substance used in self-contained
What is the maximum mass in grams of aluminum chloride that could be obtained from 2.50 mol of barium chloride and excess aluminum sulfate
Question- A 47.00g sample of iron absorbs 914 j of heat when its temperature rises from 228.34 degree C to 71.75 degree C
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
How does the maximum non-expansion work compare with standard conditions - What changes, if any, do you expect to observe when the reaction mixture is allowed to reach equilibrium?
The molar solubility of a salt with the general forumula. M2Q, is 2.3 x 10^-3 mol/L. A. What is the Ksp of the salt?. What is the free energy change for the dissolution of the salt at 25C?
How many photons are required to heat 275 mL of coffee from 25.0 C to 62.0 C. Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 J/(g K), as water over this temperature range. Express the number of photons n..
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