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C2H2 (g)+ O2(g)---- CO2(g)+ H2O(g). 2.50g of oxygen reacted by the above unbalanced reaction. how many grams of carbon dioxide formed?
write an equation for the reaction that takes place between hydrobromic acid hbr and ethylamine c2h5nh2 when aqueous
For the following hypothetical elementary step reaction at equilibrium: A in equilibrium with B, and from the ARrhenius equation k= A e^(-Ea/RT), derive the equation : Ln(K1/K2)= delta H/R(1/T2 - 1/T1) in any one of it's forms.
In tables of thermodynamic data provided in chemistry books, one finds delta Hf, delta Gf, and delta S listed. Briefly explain why the entropy data are supplied as S
Draw the major organic product from the reaction of 2-(carboxymethyl)benzoic acid with acetic
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
(a) Write the reaction equation, (b) indicate which product is predominant at low temperature, (c) which product is predominant at high temperature, and (d) draw a reaction energy diagram explaining your answers in b and c.
what is the freezing pint of a solution when 13.55 g of Mg(NO3)2 is dissolved in 156 mL of water when Tdegree
calculate the volume that a 0.323 -mol sample of a gas will occupy at 265k and a pressure of 0.900atm
A buffer that contains 0.347 M of a base, B and 0.483 M of its conjugate acid BH+, has a pH of 8.08. What is the pH after 0.00713 mol of HCl are added to 0.442 L of the solution
The water temperature was 24 degrees Celsius, and the barometric pressure in the laboratory was 30.50 in. Hg. After the student immersed the yeast in the peroxide solution
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid,
Clancy the dog ingested 50 mL of 50% methanol. How much of 12% ethanol wine must Clancy consume in order to lower the activity of his ADH on methanol to 5% of it's normal value if the Km values of canine ADH for ethanol and methanol are 1 millimol..
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