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Question: When you breathe the following reaction will take place: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O(g), how many moles of glucose are needed to produce 100.0 g of water?
After the reaction, 10.4025 grams of PbI2(s) (molar mass 461.0 grams) were collected. What is the percent yield of the reaction?
The activation energy for the reaction NO2(g)+CO2(g)---->NO(g)+Co(g) is Ea= 325 Kj/mol and the change in enthalpy for the reaction is change in H = -250 kj/mol. What is the activation energy for th
Discuss the three major species of Staphylococcus. Explain why one of them is more pathogenic compared to the other two species. Which factor determines the pathogenesis of the organisms?
Simplify the expression using the double-angle or half-angle formula
Explain what is meant by "indicator" organisms when testing a water sample. What are the media used to determine the presence of the indicator organisms?
What is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen , 7.49 mol of nitrogen and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
In the Most Probable Number table, what is the significance of the 95% confidence limits in relation to the MPN index/100 ml? What is the public health significance of coliform-contaminated water?
What is the bacteriologic standard for potable water? Why is bacteriologic analysis of water directed at recognition of coliforms and enterococci rather than isolation of pathogenic bacteria?
Trifluoroiodomethane, CF3-I, undergoes free radical addition to alkenes. Explain the fact that the free-radical addition of this compound to 2-methyl-2-butene is faster than its addition to 1-penten
From what specimen type would S. saprophyticusmost likely be isolated? What is a nosocomial infection? Who acquires it? Why?
Differentiate the microscopic morphology of staphylococci and streptococci as seen by Gram stain. What are the two types of staphylococcal coagulase?
The standard free energy change for the reaction of nitrogen gas with hydrogen gas to produce ammonia is -32.9 kJ. Calculate the equilibrium constant for this reaction at 25°C.
Town A and Town B lie approximately on the same meridian. Town A has latitude 55° N and Town B,50° N. Find the distance between these two cities. (The radius of the Earth is 3960 miles.) (R
For the decomposition of solid ammonium chloride into ammonia gas and hydrogen chloride gas Kp = 1.1 x 10-16. Calculate the change in standard free energy for this decomposition reaction.
Why is it necessary to wear clean, protective clothing when caring for a patient? Why should hair be kept clean and out of the way when caring for patients?
Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.
In what areas of the hospital must the numbers of microorganisms in the environment be strictly reduced to the minimum?
What is the molar concentration of a solution prepared by dissolving 0.100 moles of potassium nitrate in enough water to prepare 400 mL of the solution?
If 0.0100 mol of HCl gas is bubbled into 500 mL of the buffer, what is the new pH of the solution?
Complete combustion of 4.80 g of a hydrocarbon produced 14.7 g of CO2 and 7.02 g of H2O. What is the empirical formula for the hydrocarbon?
Suppose sin(θ) = 8/17 for θ in Quadrant II. Find the values of the other trigonometric functions of θ.
How many moles of sodium hypobromite (NaBrO) should be added to 1.00 L of 0.055 M hypobromous acid (HBrO) to form a buffer solution of pH 8.95? Assume that no volume change occurs when the NaBrO is
Find the values of the trigonometric functions of θ if tan(θ)= 88/105.