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Using the balance equation for the combustion of ethanol, anwer the following question C2H6O(l) + 3 O2(g)-----------2CO2 (g) + 3H2O(g) Ethanol
1) How many grams of CO2 are formed from 0.60 mol of ethanol?
2) How many grams of H2O are needed to reactfrom 1.5 mol of ethanol?
3) How many grams of O2 are needed to react with 0.27 mol of ethanol?
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
you decide to use methyle red indicator instead of universal indicator for preparation of your pH color standard what effect have on your data?
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
Balance the following molecular equations for these reactions. Write the ionic equation for the reactions. Write the net ionic equation for the reactions.
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.150 M, what are the equilibrium concentrations of NO, N2, and O2.
A 1 M solution of acetic acid is generated and a pH of 4.74 is measured. What is the percent dissociation
Calculate the molarity of urea in a soln prepared by dissolving 16 g of urea (MM= 60.0 g/mol) in 39 g of H20. The density of the soln is 1.3 g/ml.
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
Consider the flask apparatus in the following diagram, which contains 2.00 L of H2 at a pressure of 380. torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 300. torr after the stopcock is opened, determine the ini..
If the total pressure in the cylinder is 2430 mmHg, what is the partial pressure of each of the components? Assume constant temperature.
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