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Tests illustrate that the new ointment X helps heal wounds. If area of original wound was 10 square millimeters, determine area of wound after 10 days of application of new ointment.
Iron in the +2 oxidation state reacts with the potassium dichromate to form the Fe3+ and Cr3+ according to the equation 6Fe2++Cr2O72- + 14H+ →6Fe3+ + 2Cr3+ + 7H2O.
The population of United States was about 250 million in 1990 and 275 million in 2000. Suppose that population will continue to grow exponentially at same rate. Find predicted population of United S
Estimate the reaction of (R)-1-chloro-1-iodoethane with NaOH in anaptotic polar solvent at low temperature. The reaction seems to me to be perfectly set up for a Sn2 reaction. One of the substituti
Explain how would you separate a mixture of an amine (RNH2), a carboxylic acid (RCOOH), a hydrocarbon (RH) and a phenol (ArOH) using chemically active extraction?
State cross-sectional area A(w) of building as the function of width wand express domain of function. Use Euclid's theorem to find relationship between length land width w.
The transporter beam is a device used to "beam down" people from the Starship Enterprise to another location in the television series Star Trek, such as the surface of a planet.
Given x=t^2 and y=t-2. Determine point when t=-3. Determine the direct algebraic relationship between x and y.
What is the exact mass of the molecular ion of penicillin V if the Penicillin V has a molecular formula of C16H18N2O5S? Determine the molecular weight of Penicillin V? And clear explain why th
Half-life of radioactive uranium (234-U) is 245,500 years. What percent of current amount of radioactive uranium will remain after 5000 years?
Determine the numbers of moles of ions in total are released when the 0.54 mol of cobalt (II) chloride, CoCl2, is dissolved in the water?
Determine the numbers of milliliters of 1.58 M HCl are required to react completely with the 23.2 g of NaHCO3 (MW= 84.02 g/mol) ? Check to see if the reaction is balanced first
Dayton Power and Light Inc. has the power plant on Miami River where river is 800 feet wide. Create the table with values of x ranging from 0 to 2 miles but measured in feet at 500 foot intervals and
Give a mechanistic explanation for these observations when the reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product.
Estimate the heat of solution for ammonium nitrate per gram? Suppose the specific heat for the solution is 4.184 J /g C. If 10.0g of NH4NO3 added to 50ml of water cause a 14.3degree Celsius decrease
Write equation of circle if is shifted 2 units right and 3 units down. Write equation of line parallel to original diamter given going through center of translated circle.
Find the equation of form y = C(x-z1)(x-z2) where z1 and z2 are zeros (or roots) of quadratic polynomial (or x-intercepts of graph) and C is scaling constant which requires to be determined.
What is the partial pressure of N2, H2, and NH3 when a mixture of gases contains 1.88 grams of H2, 10.25 grams of N2, and 7.95 grams of NH3. The total pressure of the mixture is 1.80 atm.
The large city in ancient world was square-shaped. Estimated in miles, its area numerically exceeded its perimeter by 118. Determine length of the side of city.
Estimate the pH of a solution that has a [HCN] = 0.15M and a[CN-]= 0.20M? Determine the acid, base and the adduct in the reaction 4NH3 + Cu2+ -> Cu(NH3)42+
Explain why is the Reaction catalyzed by Carbamoyl Phosphate Synthesize regarded as the first committed step of the Urea cycle and where does this reaction occur?
Determine the acids and bases in the following reactions and pair up the conjugates. C6H5COOH +HCO3- -> C6H5COO - +H2CO3
The period of T (in seconds) of the simple pendulum is the function of its length l (in feet) described by equation T=2pvl/g where g ˜32.2 feet per second is acceleration of gravity. Use gr