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In the table below, indicate the number of moles and grams for each reactant used and product produced for the following balanced reaction, provided that 9.6 grams of O2 are used during the reaction. CH4 + 2O2 => CO2 + 2H2O CH4 O2 CO2 H2O moles grams 9.
A certain substance, intially present at 0.950 M, decomposes by first-order kinetics with a rate constant of 1.25 x10-2 mol m-1 s-1. calculate the time (in seconds) required for the system to reach a concentration of 0.431M
(a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop?
Write the first step in this elimanation reaction, using curved arrows to show electron reorganization. OH- CH3-C-(CH3)2Cl
Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration. Calculate the Ka of acetic acid.
The thallium (I) and bromide ions in equilibrium with TlBr each have a concentration of 1.9 x 10-3 M. What is the value of Ksp for TlBr
Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 , of mass 24.0 mg.
When a catalyst is added the reaction 2SO2(g)+O2(g)?2SO3(g) takes place. At equilibrium the total pressure is 4.05atm . Find the value of Kc.
What mass of oxygen is produced when 50g of Na2O2 (sodium peroxide) react?
1) The normal freezing point of water, H2O is 0.00 °C and its Kfp value is 1.86 °C/m.
Give the conjugate base of the subsequent Bronsted-Lowry acids- Express as chemical formulas separated by a comma. 1. HCl, H2SO4 2. CN?, CH3NH2
Based on standard reduction potentials, would you expect copper metal to oxidize under standard conditions in the presence of oxygen and hydrogen ions
In the occurrence of aqueous ammonia, cobalt(III) forms the complex ion Co(NH3)63+. Find out the molar concentration of free cobalt(III) ion in solution when .220 mole Co(NH3)63+ is dissolved in a liter of 2.50M aqueous ammonia.
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