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How many photons will be required to raise the temperature of 2.3 g of water by 2.1k ? Water is exposed to infrared radiation of wavelength 2.7×10?4 cm . Assume that all the radiation is absorbed and converted to heat.
How much heat is needed to vaporize 2.42 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
ow many stereo-isomers would there be if a molecule had four chiral centres, Rank the different carbocations in order of their stability.
Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.
Octane has a density of 0.692 g/mL at 20 Celsius . How many grams of O2 are required to burn 1.30 gal of C8H18
If you mixed 75 ml of 2 M HCl with 37.5 ml of 4 M NaOH, how many joules of heat would be released? How much would the temperature of the solution increase?
Given that translational and rotational degrees of freedom typically behave classically, but vibrations behave quantum mechanically, the total (avg) energy of a diatomic is predicted to be U= (5/2)RT+ , where is obtained from Eq.124.
If the antiacid selected for the analysis is know to contain only milk of magnesia how could this procedure be midified
Assuming that the total pressure of the gases is 1.52 and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
Which of these is not a protease that acts in the small intestine?
She weighed an empty 4.3 L bulb, then filled it with the gas at 1.60atm and 23.0 C and weighed it again. The difference in mass was 7.9g . Identify the gas.
50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2 solution.What is the molarity of the Ca(OH)2 solution?
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