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The decomposition of N2O5 in CCL4 is a first order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 degrees Celsius what is the value of the rate constant K?
Gas x effuses 0.629 times as far as oxygen under the same conditions. what is the molar mass of gas x.
Calculate the energy in joules and calories lost when 10.0 gm ethanol, {C_2H_5OH}, cools from 62.5 0C to -46.0 0C?
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning:
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
When an outside plastic envelope is removed, O2 molecules penetrate the paper causing the reaction to begin. A Typical packet contains 250 grams of iron to warm your hands or feet for up to 4 hours.
What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
The solution of the question , a 0.3172 g sample containing only KCl and NaBr is dissolved in 50ml water and titrated with 0.1120M AgNO3 , requiring 36.14ml to reach the end point.
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
Working with triple point, The sublimation pressures of solid chlorine are 352 Pa at -112 C and 35 Pa at -126.5 C. The vapor pressures of liquid Chlorine are 1590 Pa at -100 C and 7830 Pa at -80C
Hypochlorite Oxidation of Cyclohexanol to Cyclohexanone, Basically in this experiment, we took some cyclohexanol and reacted it with hypochlorite to form cycohexanone.
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