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A 68 kg man who average body temperature is 39oC drinks 1 L of cold water at 3oC in an effort to cool down. Taking the average specific heat of the human body to be 3.6 kJ/kg-oC, determine the drop in the average body temperature of this person under the influence of this cold water.
For the reaction given below, the frequency factor A is 8.7 1012 s-1 and the activation energy is 63 kJ/mol.
A chromium-containing compound has the formula Fe(x)Cr(y)O4 and is 28.59% oxygen by mass. Find x and y.
Rank the following hydrogen atom transitions in order of increasing energy of light produced ( from lowest energy light produced to highest energy light produced).
The decomposition of N2O into N2 and O in the presence of gaseous argon follows second order kinetics with K= (5.0x10^11 Lmol^-1s^-)e^-29000K/T. What is the energy of activation of this compound
Calculate the energies of the following waves (in kilojoules per mole), and tell which memeber of each pair has the higher value. A) An FM radio wave at 99.5 MHZ and an AM radio wave at 1050 kHZ
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC,
At 50 C, the solubility of silver chloride, AgCl is 5.2 x 10^-4 g/100mL. Calculate the Ksp at this temperature.
A coffee can (with diameter of 6.0 inches, a height of 6.5 inches and a massof 256 g) has a 1 cm diameter hole drilled in the bottom of the can and another drilled in the side. The can is capped, inverted, and completely filled with methane
what total mass of hydrogen is contained in 4.2 g of solution that is 49 hydrogen peroxide h2o2 by mass the balance
7.5g of ammonia at STP is heated to a temperature of 25C and simultaneously compressed to a volume of 8.0L. Calculate the new pressure of the gas.
complete and balance the equations for each of the following reactions: a)KHCO3(s)+HBr(aq)> b)Ca(s)+H2SO4(aq)> c)H2SO4(aq)+Ca(OH)2(s)> d)Na2CO3(s)+H2SO4(aq)>
a 1.00 l vessel at o c contains 0.19 mol h2 and 1.9 mol ch4. calculate the pressure of gas mixtureand the partial
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