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A mixture of CH4 (methane) and C2H6 (ethane) weighs 68.00 grams and it is burned in with oxygen fuel. The products formed in this reaction are H2O and CO2 and these products weigh 13.00 grams. Find the fraction of methane in the original mixture.
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
Mass spectral analysis of 1-chloropropane results in several fragmentation pathways. Complete the mechanism below and give the products for each indicated fragmentation pathway. Include all nonbonding electrons and charges.
How much heat must be supplied at 1000 degrees C if 1000 J of useful work is to be done by the engine?
If 21.3 mL of a 0.120M NaOH solution are required to neutralize 0.400 grams of an unknown monoprotic acid, what is the molecular mass of the acid
how many ml hydrochloric acid of 0.1 m must be added to 100 ml of a 0.2 m solution of tris base to form a buffer ph
Write the eqn for each large-extent B/L A/B rxn which occurred on making this mixture. Do this by starting with the rxn that involves the strongest B/L A with the strongest B/L B. Label this rxn (i). Continue writing eqns in this "strength order" ..
empirical and molecular formula what are both the empirical and the molecular formula for the compounds described
A 54.9 g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X
Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a solution that was initially 0.100 M in cyanide ion, CN-. What is the concentration of silver ion,
1.determine the density of the object in gcm3 if an object weighing 1.840 kg has volume of 0.0015m3?2.a man wants to
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
What is the pH of the buffer after the addition of 0.04 mol of NaOH? (assume no volume change) pH
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