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Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
Acetic acid flowing at the rate of 20kg pe min. Product p is of combination leaves at rate of 100 kg per minute. Determine the composition of p?
discharged into a small stream saturated with oxygen from the air at 25 celcius. How many liters of this water could be contaminated to the extent of removing all the dissolved oxygen by biodegradation?
When you combine 2-ethoxybenzaldehyde and 4-heptanone what is the product and structure of that product. With 95% ethanol and 3M sodium hydroxide
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
Determine the temperature dependence of the diffustion limited rate constnt (kdiff proprotional T7/3 or so )
The compound MgSO4 is called Epsom salts. How many grams will you need to prepare a bath containing 5.80 moles of Epsom salts? Express your answer using three significant figures.
A total charge of 96.5 kC is passed through an elctrolytic cell. What mass of silver metal will be produced from a silver nitrate solution?
Calculate, in sequence each of the following quantities in the acqueous solution to determine the equilibrium constant for the reaction: a) mole of FeNCS+2 the form in the reacting equilibrium
A copper wire (density = 8.96 g/cm3) has a diameter of 0.44 mm. If a sample of this copper wire has a mass of 50. g, how long is the wire?
Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?
Calculate the pH at each point listed for the titration of 25.00 mL of 0.1000 M formic acid with 0.1000 M KOH. The points to calculate are Vb = 0.00, 12.50 and 25.00 mL
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