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A 27.21 g sample of a substance is initially at 25.4 °C. After absorbing 2591 J of heat, the temperature of the substance is 199.8 °C. What is the specific heat (c) of the substance?
The oil of nutmeg is known to consist of many other organic compounds besides trimyristin. What does the purity of the distillate indicate about these other compounds
A gaseous mixture of O2 and Kr has a density of 1.192 g/L at 305 torr and 300. K. What is the mole percent O2 in the mixture
Find the nuclear binding energy of uranium-234 (atomic mass = 234.040947 amu) in utits of joules per nucleon. (Data: neutron mass = 1.674928 x 10^-24 ; proton mass = 1.672623 x 10^-24; Avogadro's Number = 6.0221367 x 10^23; c = 2.99792458 x 10^8)
If a 88.2 gram charcoal briquette (assume pure carbon) is burned in an excess of oxygen, what mass of CO2 is produced by the reaction
Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
1 bar can support 750.06 mmHG. What is the height of isopropyl iodide that 1 bar can support. Densities: Hg 13.6g/mL; isopropyl iodide 1.7 h/mL
opportunism in health care is especially perceptible in the health insurance markets. consider the area in which you
A sample consisting offive molecules has a total energy 5£. Each molecule is able to occupy states of energy j£,with j= 0,1,2,···,oo. (a) Calculate the weight of the configuration in which the molecules are distributed evenly over the available st..
How would you demonstrate that phosphoglycerate mutase uses an enzyme bound phosphate
To a .015 M solution of Oxalic acid is added a strong acid until pH is .5. Calculate concentration of oxalate ion in resulting solution no volume change Ka oxalic acid is 3.78 x 10-6
what statement best describes the graph representing the integrated 1st order rate law
The statements in the following multiple choices deal with various aspects of the relationship between vapor pressure and intermolecular forces.
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