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How much heat is required to raise the temperture of an object with a heat capacity of 3.4 j/k from 17.34 k to 67.18k?
While you mix iron and HCL why does the chemical reaction begin slowly and then suddenly accelerate
What mass of ethylene glycol, HOCH2CH2OH, must be dissolved in 4.510 kg of water to result in a freezing point of 18.0°C? What is the boiling point of the same solution?
al3 is reduced to als at an electrode. if a current of 2.00 ampere is passed for 48 hours what mass of aluminum is
Solder is used in the electronics industry because it has a low melting point and can make durable electrical connections between copper wires. Electronic solder is an alloy of tin and lead.
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16.
A sample of an unknown peptide udergoes a single round of Edman degradation, which liberates ATZ,Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin
The annual production of sulfur dioxide from burning coal and fossil fuels, auto exhaust and other resources is about 26 million tons. the equation for the reaction is S + O2= SO2.
Question- Identify 4 bands/peaks in the IR spectrum of each of the following molecules: 2-phenylbenzothiazole and N-phenylbenzamide diagnostic region and/or fingerprint region. Thank you so much.
Why is the boiling point of a cyclohexene and water mixture less than 83 degrees, the boiling point of cyclohexene
When a small drop of oil is placed on the surface of a quiet pond, the oil spreads into a large spot (or oil slick). If we assume that the molecules of oil spread out so they are 1 molecule thick, we can determine the length of an oil molecule.
Estimate the enthalpy change for the combustion of one mole of ethanol (C2H5OH) using average bond dissociation enthalpies (in KJ/mol) for C-?H: 413, O-?H: 463, C-?O: 358, C-?C: 154, C=O: 122, and O=O: 498
How would a calculated specific heat be affected if the metal cools before it is transferred to the water. Would it be higher, lower or unaffected. Explain
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