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A 5.00-g sample of one of the substances listed in Table 6.1 was heated from 25.2C to 55.1C, requiring 133 J to do so. What substance was it? With this knowledge, It takes 585 J of energy to raise the temperature of 125.6 g mercury from 20.0C to 53.5C. Calculate the specific heat capacity and the molar heat capacity of mercury.
A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3 to form Cu2 ions and then water is added to make a total volume of 200.0 mL. (Calculate the molarity of Cu2.)
Give the approximate minimum temperature at which it is possible to austenitize each of the following iron-carbon alloys during a normalizing heat treatment:
List the formulas of three soluble bromide salts and three insoluble bromide salts. Do the same exercise for sulfate salts, hydroxide salts, and phosphate salts (list three soluble salts and three insoluble salts).
Which alternative should be selected if inflation at a rate of 7 percent (end-of-year compounding) is assumed for all future costs?
Compare MACRS depreciation and straight-line depreciation: based solely on the tax effects, which depreciation method (SL or MACRS) would yield a higher net present value for the project?
A 1-liter container of nitrogen gas (N2) at a temperature of 23c is intially at a pressure of 1.25 atm. because of a slow leak the pressure falls to 1.15 atm 1 hour later what is the leak rate in molecules/second?
between the analyses obtained during the two shifts?
If the mass percent of vanadium in the ore was 58.1%, what was the mass of the ore sample? Which of the four transition metal ions in this titration has the highest oxidation state?
question 1.nbsp part a inbsp discuss how transmission electron microscopy tem can provide information complementary to
What is the identity of the solid? Give the balanced equation of this species decaying by -particle production. Why is the solid a more potent a-particle producer?
What does LD 50 mean in Industrial Toxicology and What is its significance to workers handling pesticides What units are used to quantify the standard service illuminance for specific work activities? Name the instrument used to appraise the lig..
Calculate the heat when 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0C and that the final mixture has a mass of 400.0 g and a specific heat capacity of 4.18 J..
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