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a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
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Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration? Why can we ignored in the calculation of the concentration of NaOH?
How many water molecules are associated with a single salt molecule in a hexahydrate?
15 grams of NaCl is dissolved completely in a beaker containing 200mL of water. What is the Na+ concentration in moles/liter in the final solution?
A Nutrition Facts label on a food package indicates that one serving contains 2% of the recommended daily allowance (RDA) of iodine. If the serving size is one cup and the RDA for iodine is 0.15 mg per day, calculate the ...
A solution of hydrochloric acid has a volume of 250. mL and a pH of 1.92. Exactly 250. mL on 0.0105 M NaOH is added. What is the pH of the resulting solution?
The Earth receives radiation from the Sun at the top of the atmosphere with a spectrum that resembles a blackbody emitter at a temperature of nearly 6000 K, although the temperature inside the Sun is about 15 million K. ...
Carbon-carbon single bonds in organic molecules have energies about350. kJ/mol. What is the corresponding wavelength? Could UV lamps(248 nm) be used to break these bonds?
How well does Tiger Brand's vision and mission statement help narrow down feasible alternative strategies available for the firm?
Determine the kinetic energy of a 75.0 kg mass moving at 61.3 m/s. Your answer should be in Joules.
Use valence bond theory to explain the bonding in F2, HF, and ClBr. Sketch the overlap of the atomic orbitals involved in the bonds.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As