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A researcher studying the nutritional value of a new candy places a 5.30-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.64 °C. If the heat capacity of the calorimeter is 32.30 kJ·K-1, how many nutritional Calories are there per gram of the candy
How much heat is required to warm 225 g of ice from -44.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
consider the following. this process would result in the formation of (a) a positive ion and negative ion (b) two neutral species (c) two radicals (d) two negative ions (e) a positive ion and a neutral species
write a balanced equation for the reaction between the iodide ion, a peroxide, and the hydrogen ion.
What mass of sucrose should be combined with 488 of water to make a solution with an osmotic pressure of 8.25 at 280.
The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
If a bottle of nail polish remover contains 181 g of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL
For the following reaction: 2A + B + C --> 3P If the rate of disappearance of A ((delta)A/(delta)t) is -0.77 mol/(L s), what is the rate of appearance of P in mol/(L s)?
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out at constant pressure, the heat absorbed is delta H-w'.
Calculate the solubility product, Ksp, magnesium oxalate (MgC2O4) using appropriate standard reduction potentials from Appendix H
A beaker with 1.30×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M .
Determine the degree of unsaturation of an organic compound with the molecular formula C7H6O2. interpret the value found in term of functional group of the compound.
What weight of A would be removed from a solution of 21 g of A in 50 mL of water by a single extraction
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