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The square S in z plane has vertices at (0,0), (1,0), (1,1), (0,1). Find region in w plane into which S is mapped under transformations.
A chemist determines that a sample of petrified wood is 1.00X 103 years old. For nuclear decay the rate is often is expressed in units of counts per unit of time. Determine the rate of decay, i
Assuming 100% conversion of reactant [Co (NO3)4*6H2O] to product [Co(NH3)4CO]NO3] calculate how much product should have been made in grams.
The temperatures of the calorimeter and its contents increased from 21.36 C to 28.78 C. A 1.80 g sample of octane (C8H18) was burned in a bomb calorimeter whose total heat capacity is 11.66kJ/C.
Determine the numbers of grams of product are produced?Determine the numbers of grams of each of the two "excess" reactants are left over?
Explain how long you should conduct the electroplating to ensure that no more than 20 cents of silver is used if the average current for each utensil is 2.00A.
Utilize definition of rational numbers to prove that if u and v are rational then 8u+(3/2)v is rational.3. Utilize definition of divisibility to prove given statement.
Consider acuity that has a concentration of 8ppb Ca+2in its drinking water. Would you expect a precipitate ofCaF2 to form in this drinking water when the F- concentration is increased to 1 p
Explain what kind of intermolecular forces would you expect to be acting in a solution of water and acetic acid? Draw Lewis structures with dipole indicators (arrows) and show how the molecules/ions
Determine delta S for the process when a 25.0g mass of ice at 273K is added to 25.0g of water (liquid) at the 360K at constant pressure. Is the final state of the system ice or liquid water?
The elements present are nitrogen, hydrogen, carbon and oxygen. Kevlar, a polymer is used to make bullet proof vests. Chemical analysis gives C=70.57%; H= 4.23%; O=13.43%.
Propose a detailed mechanism for the reaction of propanone with hydroxylamine in the presence of catalytic amount of acid. Explain in detail what will happen if:
Calculate the atomic weight of "Q" if the 30.0 grams of an imaginary element, "R" (A.W=100) reacts with the 50.0 grams of an imaginary element "Q" to produce the 80.0 grams of R3Q4.
Payments of 3000 now and 8000 8 years from now are equivalent to the payment of 10000 4 years from now at either rate i or rate j . Determine |i-j|. And describe why yield rate is not unique in giv
Determine delta G and delta A for this process for a) an isothermal reversible path and b) an isothermal expansion against a constant external pressure of 0.750 bars.
Determine the number of ozone molecules in the stratosphere and their mass in kilograms. Given that quantity of ozone in the stratosphere is equivalent to a 3.0 mm thick layer of ozone on earth at
Determine how many grams of sulphur dioxide can be removed using the 1000.0 kg of calcium oxide? Calcium oxide is used to remove sulfur dioxide from power plant exhaust because the two react to giv
Mrs. Kapoor goes to market and after arguing with fruit vendor is able to get price of dozen bananas decreased by Rs.1, from initial price.
1-Methyl-1-cyclopentene reacts with hydronium ion to afford two products A and B in the ratio 80:20. Propose a detailed mechanism for this reaction and give the IUPAC names of the products A and B.
In a lab, we had to measure the amount of heat released by a candle by heating up a tin of water with the candle and then determining the temperature change in the water.
P4 is prepared by heating the phosphate rock (principally Ca3 (PO4)2)with coke and sand: Write down a balanced chemical equation for the above redox reaction.
A gas mixture with x moles of Ne, 4 mol of Ar, and y moles of Xe is prepared at a pressure of 1 bar and a temperature of 298K.The total number of moles in the mixture is three times that of Ar.
Prepare the constraints for the given statements (where A is binary variable and x1 and x2 are continuous variables). If A happens then x1 + x2 <= 50, else x1 +x2 <= 100?
Calculate when it behaves as anode or as cathode the standard electron of hydrogen against a:Half-cell of Fe3+/Fe2+ (EoFe3+/Fe2+=0.77 V)
Explain what current flux is needed for depositing a layer of metallic Cr of 0.23 mm of width, on the bar of a car with a total area of 0.32 m2,