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Assuming that a cube has a volume of3.7x10-19cm3, calculate the length of each edge of the cube. Enter a number with the correct number of significant figures.
Propane burns in oxygen to produce carbon dioxide and water. c3h8 +5o2 yeilds 3co2 +4h2o Calculate the math of co2 that can be produced if reaction of 44g of propane and suficient oxygen has a 60% yeild.
If 0.150 mole of a nonvolatile, non electrolyte solute is dissolved in 800 grams of water, what are the ideal melting and boiling point of the solution
Consider a molecule with spacing between two energy levels of 0.250 kJ mol-1. Calculate the wavelength and wavenumber of the photon that would be needed to lead to an excitation between these two levels.
Which of the following ideal aqueous solutions would be predicted to have the highest osmotic pressure
The energy required to dissociate the H2 molecule to H atoms is 432 KJ/mol H2. If the dissociation of an H2 molecule were accomplished by the absorption of a single photon whose energy was exactly the quantity required , that would be its wavelend..
1.isomerization of cyclopropane to propene is yielding the activation energy for this process is 274 kjmol. by what
An empty beaker weighs 41.19 g. When it is completely filled with water (density = 1.0 g/mL), the beaker weighs 92.92 g.
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
Determine the number of milliliters of standard 0.1000 M NaOH needed to make 250.0ml of NaOH solution with 0.040 M
How much heat is evolved when 27.0 g of glucose is burned according to this equation? C6H12O6 + 6O2 → 6CO2 + 6H2O; Δ H comb. = -2808kJ
Explain how a detergent enables an aqueous solution to become capable of dissolving non-polar chemicals (such as grease, oil, ink, etc)
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure. How many moles of gas did the system gain or lose?
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