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Explain a very ambitious student wanted to build something similar to Joule's apparatus in order to heat water. A weight of 10.0kg is lifted to a certain height. The weight is then released as well as accelerates toward earth at 9.81m/s2. Explain what is the necessary height of the weight in order for it to create sufficient heat to raise the temp of 100.0mL 5.00 degrees C? Presume there is no energy lost to the environment.
Calculate q if the temperature of a 1.00 kg water bath in the surroundings increases by 1.25 Celsius degree.
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
Look up the chemical compound that is methiocarb and describe briefly its chemistry and its pharmacology and what effects does Methiocarb have on the mammalian body? What other signs/symptoms would Jimmy display? Can this chemical cause death? Why?
how would you change the experimental procedure of the synthesis amp purification of acetylferrocene to synthesize amp
Could a percent transmittance reading of 0.00 be used in calculations? Briefly explain. Suggest a procedure that the student could follow to finish the experiment satisfactorily without weighing out a new sample of copper wire.
How many mL of 0.100 M NaOH is required to react with 50.0 mL of 0.100 M H2SO4 according to the reaction 2NaOH + H2SO4 --> 2H2O + Na2SO4
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
in photosynthesis plants use energy from the sun in combination with carbon dioxide and water to form glucose c6h12o6
To determine the concentration of a solution of lactic acid a chemist titrates a 20.50 mL sample of it with 0.1010 M NaOH and finds that 10.76 mL of titrant are required to reach the equivalence point. What is the concentration of the lactic acid ..
discuss the pros and cons of the various methods of application of solid fertilizers. describe the revelant facets of
10mL of a commercial peroxide solution measured with a volumetric pipet was diluted to 100mL in a volumetric flask and mixed thoroughly 25 mL of the diluted peroxide was titrated. Assume that the diluted peroxide solution had a density of 1.000 gm..
If 69.5 kJ of heat is applied to a 1025 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
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