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The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature for the given reaction as 2NOBr (g)- 2NO(g) + Br2(g), calculate the concentration of NOBr after Starting with a concentration of 0.086 M after 22 s? also find out what will be the half-lives if [NOBr]o = 0.054 M?
100 mol/h of n-octane is burned in 80.0% excess air to 95.0% conversion. What is the molar flow rate of N2 in the stack gas if The n-octane is converted to a mixture carbon monoxide, carbon dioxide, and water, where the ratio of CO2 to CO is 4:1?
(a) Cl2(g) is added to the system. (b) The reaction mixture is heated. (c) The volume of the reaction vessel is doubled. (d) A catalyst is added to the reaction mixture. (e) The total pressure of the system is increased by adding a noble gas. (f) ..
The proper concentration for an intravenous NaCl solution is 0.90 g NaCl per 100 mL of water (sometimes refered to as 0.90% m/v).
The following equilibrium concentrations were measured at 800 K:[SO2]=3.0*10^-3M; [O2]=3.5*10^-3M; [SO3]=5.0*10^-2M. Calculate the equilibrium constant at 800K for each of the following reactions.
Aluminum metal dissolved in hydrochloric acid as follows: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g)
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.26?
A gas mixture being used to simulate the atmosphere of another planet consists of 319 mg of methane, 171 mg of argon, and 212 mg of nitrogen
Which one of the following pairs is a conjugate acid-base pair?
What is the pH of a sulfadiazine sodium solution containing 0.5 M of the drug in 1000 mL of solution?
If it is Ionic, mention which is the cation and which is the anion. Discuss how the ions formed (gaining or losing electrons and how many). If it is covalent, discuss where the covalent bonds are and draw the structure.
Propose a structure for C4H9N, which does not liberate a gas when treated with NaNO2 and HCL, and has IR absorptions at 917, 990, and 1640, as well as an N-H absorption at 3300. The 13C NMR spectrum is as follows
A mixture contains both potassium phosphate and potassium chloride. What is the percentage of potassium phosphate in this mixture if reaction of 0.401g of this mixture with excess copper (II) chloride yields 0.213g of copper (II) phosphate?
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