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An ancient internal combustion Mugwump bilge-pump engine burns a mixture of obscure hydrocarbon fuels that can be modeled as a single fuel. An Orsat analysis of the dry exhaust gas from this engine gives the following results: 5.90% CO2, 5.50% CO, 7.50% O2, and 81.1% N2. Determine
a. The single fuel hydrocarbon model (CnHm).
b. The carbon and hydrogen composition by mass of this fuel.
c. The percent of theoretical air used in the engine.
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the pH of a 2.5 M aqueous solution of phosphoric acid
"Soft" ionization techniques can introduce multiple charges onto a molecule to produce multiply-charged species. Show a possible spectrum for an 1800 Da peptide protonated by chemical ionizatoin with up to 4 charges. Be sure to label the axes and ..
What is the value of the rate constant (k) for this reaction at this temperature? b) Write the rate law for the reaction c) If the initial concentration of AB is .250M
suppose 600. g of p4 reacts with an excess of s8. how many grams of p4s10 can be produced assuming 80.0 yield based on
Decide whether to use acetic acid/acetate or formic acid/formate. Prepare .100 L of a pH 3.74 buffer with a total buffer strength of 0.100 M Calculate the volumes of acid and base necessary to make each buffer.
For the following reactions, first complete the molecular equation by writing all the products and balancing the equation; then write the complete ionic equation and finally, the net ionic equation for each reaction
Titanium (IV) chloride, TiCl4, can be used to produce titania by the sol-gel method. What mass of ceramic can theoretically be produced from 59g of TiCl4
Allocate each element an oxidation number. Find out which reactant is being oxidized and which is being reduced
Estimate the enthalpy change for the combustion of one mole of acetylene, C2H2, to form carbon dioxide and water vapor. BE(C?H) = 456 kJ/mol)
Determine both delta G and K when X represents CL2 and I2. Which reaction(s) is/are spontaneous. Which reaction happens to the greatest extent?
A reaction has a rate constant of 1.27×10?4 /s at 28 degrees C and 0.226 /s at 78 degrees C. Determine Activation Barrier. What is the value of the rate constant at 16 degrees C?
Problem- Electrolysis of a molten metal chloride (MCl3) using a current of 6.48 A for 1500 seconds deposits 1.51g of the metal at the electrode. a) What is this metal?
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