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Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance? Explain your answer using the chemicals/process involved.
Presuming the same temperature and initial concentrations for the subsequent comparisons, se a plot of enthalpy versus reaction pathway for reactants going through products to briefly illustrate and justify the following.
If the final temperature was the same for both processes, what is the difference between for the two-step process and for the one-step process in joules
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide. Define a 4.50-g sample of calcium oxide reacts with 4.34 g of water. Explain how many grams of excess reactant remain if the reaction goes to completion
Calculate ?Ssurr for each of the reactions above at 25°C and 1 atm b. Determine which elements are being oxidized and which elements are being reduced in each reaction.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 1.0 × 103 nm.
Many organic chemists when making a new solid compound often first try ethanol as a recrystallizing solvent. If soluable at room temperature, they simply add water and this often works! Why?
sample of 30.0 ml of krypton gas kr is at 756 mm hg and 25.0 degree celsius. what is the new volume if the pressure is
Problem- What is the concentration of solution when 6.190 g of NiSO4 is dissolved to make a total volume of 250mL in a volumetric flask
How many kilojoules are released when 10.0g of steam condenses at 100 degrees C and cools to 0 degrees C?
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq)
Calculate the concentration of CrO4^2- in a solution that is 0.0375M in chromic acid and 0.150M HCL. (Chromic acid is H2CrO4, a diprotic acid, Ka1= 1.80x10^-1, Ka2=3.20x10^-7 & Kw=1.00x10^-14).
A current of 11.3 A is applied to 1.25L of a solution of .552M HBr converting some of the H+ to H2(g).
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