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An alkane undergoes combustion when it reacts with oxygen to produce carbon dioxide, water, and energy:alkane+O2→CO2+H2O+energyBalance the reaction for the combustion of heptane:?C7H16+?O2→?CO2+?H2OEnter the four coefficients in order, separated by commas (e.g., 1,2,3,4), where 1 indicates the absence of a coefficient.
Problem- You are running out of money to continue your research, but all you need to win the Nobel Prize and get enough money to fund your research for the next 20 years is to synthesize the molecule that cures cancer. You need 2-bromo-3-methylpen..
The half-life of 137Ce is 30 years. How many grams of 137Ce must be produced now to have a sample containing 32 g of 137Ce 190 years from now?Answer in units of g
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
The total pressure of a mixture of N2O4 and NO2 is 1.5 atm. If Kp=7.1 (at 25 degrees C) calculate the partial pressure of each gas in the mixture.
Problem- An ammonia/ammonium buffer solution contains 0.42M NH3 and 0.90M NH4+. The Kb value of ammonia is 1.8x10 to the -5. Calculate the pH of this buffer. Express the pH numerically.
Find out the heat capacity of a calorimeter 105mL of .25 NaCl solution is formed in the reaction HCl + NaOH; H2O + NaCl. Change in enthalpy is -57.86 kJ/mol as well as change in temperature is 3.8 C.
Pure iron, Fe, can be produced from an ore called hermatite, Fe2O3, by reaction with carbon at high temperatures. 2Fe2O3+3C ---> 4Fe+3CO2. If an iron company needs to make 25 tons of iron, how many tons of hematite much react
question a saturated aqueous solution of calcium hydroxide is approximately 0.13 calcium hydroxide by mass and has a
The reaction of an equimolar mixture of isopentyl alcohol also acetic acid will produce, at most 67% of the theoretical amount of isopentyl acetate. Confirm this with an equilibrium constant computation using K=4.2
If the wastewater stream in problem 10 were 0.100 M in NTA as well as contained other solutes that exerted a buffering action such that the final pH were 9.0, define what would be the equilibrium value of HT(2-) concentration in mol/L
A 18.8-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 13.5 L when measured at 759.1 mmHg and 25.6oC. What is the mole fraction of carbon dioxide in this mixture?
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