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The molecular formula for lactic acid is C3H6O3, and its structural formula is CH3CH(OH)COOH. Is this molecule a carbohydrate? Explain.
a mixture of nitrogen and hydrogen reacts as fully as possible to form a 56 l mixture of ammonia and hydrogen at stp. when this mixture is compressed to 10.0 atm and chilled to 200.0 K, all of the ammonia is liquefied leaving 3.2 L of hydrogen sti..
Calculate the mass of nitrogen dissolved at room temperature in an 99.0 mL home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
A mixture of 0.152 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessal at 500K, producing a mixture of Co and CO2. The total pressure is 0.6879 atm. What is the partial pressure of CO?
Consider n moles of ideal gas kept in a heat isolated cylinder (all processes are adiabatic) with a piston at extrnal pressure P(i), and at the temperature T(i). the extrnal pressure is suddenly changed to P=2P(i), and we wait for the system to eq..
The minerals chalcocite (Cu2S) and malachite (Cu2CO3(OH)2) are two primary sources of copper. What is the oxidation state of copper in each of these minerals?
what is the presentage compostition of both of the components, which is the limiting reagent (if there is) and what is the theoretical yeild of each of them.
Find the average value of the electron-nucleus seperationin a hydrogen like atom in the 2pz (ml=0) state.
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done. Hint: Consider Le Chatelier's Pr..
a patient needs to take 625 of ibuprofen twice daily. the pills in the bottle are each 250. . how many pills does the
The FDA recommends that women who are pregnant avoid eating more than three 6.00-oz servings of bluefish per month because of the relatively high mercury levels in that type of fish.
Molarity is only one of many ways to express concentration. Another is percent mass per volume or %(m/v). For example, vinegar usually contains about 5 %(m/v) acetic acid(5g acetic acid/100 mL vinegar)
How many theoretical plates does the column have What is the plate height (in mm) of the column if the column is 11.7 cm long
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