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How many moles of sodium bromide can be produced from the reaction of 1.03 moles of sodium with 0.650 moles of bromine gas? 2 Na(s) + Br2(g) > 2 NaBr(s)
Although glucose is a more complicated molecule than CO2 and H2O, there is enough entropy in the O2 products to make the reaction generate entropy overall.
The compounds below cannot be identifed from IR and H NMR spectra alone. Explain. Suggest how other types of spectroscopy might be useful in solving the structure
observed that 7.48 mmol of baf2 will dissolve in 1.0L of water. use these data to calculate the value of Ksp for barium fluoride
One way to mesure thermal conductivity is to mesure by putting the object in a closed box with known qualities. The heater maintains the same change in heat through the boxes wall.
A gasous mixture of O2 and Kr has a density of 1.104 grams per liter at 435 torr and 300 K. What's the mole percent of O2 in the mixture?
The formaldehyde content of a pesticide preparation was determined by weighing .3124g of liquid sample into a flask containing 50ml of .0996M NaOH and 50mL of 3%H2O2. On heating, the following reaction took place
What is the number of moles of atoms of oxygen contained in 49 grams of sulfuric acid, H2SO4?
the periodic table when given a set of molecules, how can you decide which is most polar and has the most ionic character?
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
At -13.0 °C (a common temperature for household freezers), what is the maximum mass of sucrose (C12H22O11) you can add to 3.00 kg of pure water and still have the solution freeze?
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we..
how much of heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 58.4C?
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