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Ignite or turn on a stove burner. Fill an empty soda can with about 4 mL of water. Clasp the can with beaker tongs and heat the can until steam appears from the can opening. Quickly invert the can in a tub of water so that the opening is down in the water.
Describe what happened to the can.
How many moles of oxygen gas are needed to completely react to produce 0.94 moles of sulfur trioxide?
hydrazine n2h4 can be made on paper by reaction of molecular nitrogen and molecular hydrogen2 h 2 g n 2 g --gt n 2
What is the mass (in grams) of the precipitate when 7.1 g of iron(III) chloride reacts in solution with excess sodium phosphate
An atmoshperic sample contains nitrogen at 599 torr, oxygen at 154 torr, argon at 6 torr, and carbon dioxide. Assuming standard pressure, what is the partial pressure of carbon dioxide gas
What is the concentration of the ammonium ion (in M) in a solution which contains 51 g ammonium sulfide in 635 mL of solution
The atomic radius of main-group elements generally increases down a group because??
What is the value of rate constant. The rate of reaction (-r) can be represented as
Write a balanced equation for the reaction between aqueous solutions of calcium chloride (CaCl2) and sodium carbonate, Na2CO3, Write the net ionic equation for this reaction.
calculate the osmotic pressure associated with 50.0 grams of an enzyme of molecular weight 98,000 g/mol dissolved in 2600 mL of benzene at 30 celsius
In sampling the peat bed, you must be careful to avoid any young plant roots of other material that might contain radio-carbon. Why?
After he conducted cathode ray tube experiments proving the existence of negatively charged particles we now call electrons, Thomson proposed a model of the atom called the plum pudding model. Describe how Rutherford's gold foil experiment disprov..
How many times heavier than 12C is the average atom of this element?
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