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An unknown compound degrades when exposed to sun light by first order kinetics. The half-life for this process is exactly 5.12 weeks. What is the rate constant in sec^-1, for the photo-decomposition process?
buy special equipment to prepare high-quality publications itself or lease the equipment from another company. Suppose that leasing the equipment costs $240 per day. If you decide to purchase the equipment, the initial investment is 6,800, and operat..
A tall pea plant is crossed with a dwarf pea plant. What will be the phenotypic ratio if the tall pea plant was homozygous?
this year his company has been given the opportunity to take on two projects that will increase taxable income by $175,000. Determine the effective (average) tax rate on all of last year%u2019s taxable income.
A sealed balloon is filled with 2.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 210. torr and the temperature is -32°C. What is the change in volume of the balloon as it ascends from 1.00..
the rate of the constants for the above gas pharse reaction is 1.438M^-2 s^-1 at exactly 642.5 Kelvin and 21.64 M^-1 s^-1 at exactly 838.1 Kelvin. What is the value of the activation energy of the reaction in KJ/mole?
What is the molarity of each ion in a solution prepared by dissolving 0.550 g of Na2SO4, 1.192 g of Na3PO4, and 0.228 g of Li2SO4 in water and diluting to a volume of 100.00mL?
Could the Fed affect the money supply by buying and selling goods or services other than bonds? For example, suppose the Fed decided to implement an expansionary policy.
Find a journal article regarding a drug dosing error made by a health care professional. The Kaplan Library is an excellent reference source and can be accessed from your home page.
Please suggest an outline for a writing about radio, I still can't decide whether to write about the radio as a technology or device.. please suggest either outline.
What happens if an atom of an element gains or loses electrons? What happens if an atom of an element gains or loses neutrons? What happens if an atom of an element gains or loses protons? Please provide a detailed answer.
Determine the volume of .450M NaPO4 is needed to precipitate all the lead(II) ions from 190.0mL of .550M Lead(II) nitrate?
In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask.
How many moles of ammonia are produced when 20 moles of hydrogen react with 40 moles of nitrogen
What is the power output of the turbine? H1= 1322.6 Btu/lbm v1=3.058 (ft)^3/lbm H2= 1148.6 Btu/lbm v2=78.14 (ft)^3/lbm
the Na formed during the breakdown of NaN3 reacts with Fe2O3. How many grams of Fe2O3 are needed to react with 35.3 g Na?
Analysis of two unknown organic structures, Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16).
The name of this covalent compound is nitrogen trioxide. d. The name of this ionic compound is manganese oxide.
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
The energy change, ?H, associated with the following reaction is +81 kJ. NBr3(g) + 3 H2O(g) → 3 HOBr(g) + NH3(g) What is the expected energy change
Elements in the first short period are limited by the octect rule whereas those in the higher period can expand their valence shells. Describe what this means, account for this phenomenon and give an example of each.
If Kp = 0.032 at this temperature, what will be the equilibrium overall pressure starting from pure CaSO4(s)?
How many grams of sulfur are required to produce 768 grams of sulfur dioxide in the following reaction: S + O2 --> SO2?
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