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For this lab, we had to separate 3 mixed compounds by means of simple distillation. After performing simple distillation, how do we determine the volume (or size) of the combined pure fractions for each of the three components?
Which of the following statements concerning the carbon dioxide molecule is correct. a) The molecule contains two sigma bonds. b) the carbon is described by sp2 hybridization
calculate the total volume of gases when collected at 1.20 atm and 25 degrees celsius from 261 grams of nitroglycerin.
2 n2g 3 o2g rarr 2 n2o3gat a certain temperature and pressure 2.8 l of n2 reacts with 4.2 l of o2. if all the n2 and
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.
How many mL of 1 M NaOH solution do you add to a 250mL flask and bring it to volume with deionized water to make o.12 M NaOH solution
(a) What was the molar concentration of acetic acid in the vinegar (b) Assuming the density of the vinegar to be 1.1 g/mL, what was the percent (by mass) of acetic acid in the vinegar
How do you know when enough sodium sulfate has been added to a combination of organic extracts
A student breaks a thermometer and spills mercury onto the floor of a lab that measures 6.1 m x 5.3 m x 3.1 m. What is the mass of mercury in grams that is vaporized at equilibrium AND what is the concentration of mercury in mg/m3
When heated, all metallic hypochlorites decompose and produce oxygen. Considering this, what happens when the decomposition reaction occurs at an incident involving fire? Please reference your answer and tell me why.
Consider the reaction when aqueous solutions of ammonium sulfide and potassium nitrate are combined. The net ionic equation for this reaction is
consider the following mechanism for the formation of a dna double helix from its strands a and ba b unstable helix
Predict the outcome of reactions that occur when a solution having [Cu2+]/[Fe2+] = 10 comes in contact with hydrotroilite (FeS). What will be the ratio of [Cu2+]/[Fe2+] in the solution after equilibrium is established?
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