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Determine the numbers of milliliters of a .250 M KMnO4 solution are required to react totally with the 3.225 G of oxalic acid?
Determine coordinates of points of intercection of the graphs algebraically. Illustrate steps to support answer. Write equation of tangent to graph f(x) at its relative minimum point.
What percent of guanine would be in this sample if a sample of Dna were found to contain the 20 percent cytosine. Explain in detail.
By condensing 4.00L of a gas a solution is prepared, calculated at the 27 degrees Celsius and 748 mmHg pressures, into the 58.0g of benzene. Estimate the freezing point of the solution.
Identify the gram atomic mass of the silver using the information obtained in the calculation step. The mass of Ag= 1.57g of Ag divided by the mol of Ag= .22 mol of Ag which equals 71g/mol o Ag.
2-hexyne and cyclohexene both have the molecular formula C6H10. Discuss how would you use infrared spectroscopy to differentiate among the two compounds?
The profit in dollars in making x- items of some commodity is provided by equation P = - 2 x^2 + 2400 x - 10000. How many items must be made to break even?
Illustrate the two, electron dot structures for it. Use a set of curved arrows to demonstrate how the electrons flow to move the negative charge from one oxygen to the other when you treat acetic a
Identify the minimum film thickness they would result if the is fluid were applied to a vertical wall and if the critical stress for a Bingham fluid is 0.058 bound force per ft2 and th
Determine the numbers of moles Ag+ added in step 3of the procedure is in excess of the moles of chloride? Suppose that you weigh 0.4000g of sample that is pure NaCl and subject it to the proced
Determine the amount of chloride on the basis of the sample weight, and then the amount of 0.2M AgNO3 needed. Add that amount while slowly stirring and then ~5mL in excess.
Determine the numbers of millimeters would you require to give if a physician has ordered 325 mg of atropine, intramuscularly if atropine were available as 0.50 g/mL of solution.
An element consists of 24.10% of an isotope with mass 205.9745 amu, 1.4% of an isotope with a mass 203.973amu, 52.4% of an isotope with mass 207.9766amu and 22.1% of an isotope of mass 206.9759 amu
Give the skeletal structure for each product when the molecules above undergo a condensation reactions meaning they release water as a product. There are four main products when bulk amounts of each
If a Chas a double bond and 2 lone pairs is it still sp2hydbridized? How do lone pairs effect the hybridization of C or any element? If you have a C that has 2 single bonds and a lone pair of
A bottle which is having .75 L is dried, cleaned, and closed in a room where the air is 28 C and 31% relative humidity( that is, the water vapor in the air is .31 of the equilibrium vapor pressure a
Determine an approximate atomic mass for the element when an element crystallizes in a face- centered cubic lattice and has a density of 1.45 g/cm^3 and the edge of its unit cell is 4.52x 10^-8 cm.
Estimate the amount of water in grams that must be added to a 5.00 g of Urea (NH2) 2 CO in the preparation of a 16.2 percent by the mass solution?
Explain how you would prepare a 0.1M phosphate buffer with a pH of 7.2. Discuss what ratio of salt to acid would you use? Explain in detail.
Calculate the work function. Determine the minimum frequency of light (threshold frequency) that will reject an electron from Ca?
So P(y) represents percentage of returns filed electronically for filing year. Determine average of change of percentage of e-filed returns from 1998-2000.
Estimate the kinetic energy of a photo emitted electron from the surface of Cs if the wavelength of the incident light is 525nm and the work function for the Cs is 2.14 eV. Determine the velocity o
Explain the chemical reaction among the water and oil? What would happen if you added dish detergent to this reaction? Discuss in detail.
How can determine the concentration of each acid in the mixture? If the original solution was made from two stock solutions(one of 0.036M acetic acid and one of 0.042M hydrochloric acid), what volum
Second alkenes diffuse from the container in 78.5 seconds. Methane gas diffuses from a container in 37 seconds. Estimate the identity of the second alkenes?