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2C4H10 + 13O2 → 8CO2 + 10H2O The equation shows the combustion of butane (C4H10). How many moles of water can be produced by 12.5 moles of C4H10 with excess oxygen?
When hydrochloric acid of 200 mL was mixed to a small piece of CaCO3 in the same calorimeter, the temperature increased by 4.25 degree celsius. determine the heat output for this reaction?
the density of aluminum is 2.70 gm/cm3 the density of chromium is 7.19 gm/cm3. if equal masses of Al and Cr are addede to equal vol of H2O in separate graduate cylinder which would have the greatest change in volume
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3.
Lipids (fats) are esters of long chain fatty acids and glycerol. Similarly, describe the general structures of proteins and carbohydrates.
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750ml of .125M NaF. Ksp for CaF2 is 3.95x10^-11
What is the molality of a solution prepared by dissolving 10.0 grams of methylamine, CH3NH2, in 50.0 mL of ethanol, C2H5OH?
When too much H2CO3 is in the blood, the enzyme carbonic anhydrase catalyzes the conversion of carbonic acid, H2CO3, to carbon dioxide, CO2, and water, H2O.
Just transfer this solution completely to a flask of 1L volumetric and dilute to exactly 1 liter and then compute the Fe 2+ ion concentration.
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
Determine the change in Ssys for the process if the specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Consider the reaction 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
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