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An office heater puts out 2070 Btus of energy in the form of heat per hour. how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater.
a sample of nitromethane is sealed in a 15.0-l flask with oxygen gas in the stoichiometric ratio indicated in the
Important information about Chair Conformation, Circle the least stable conformation as well.
Write out the equilibrium that results when a salt solution of the conjugate base of this acid is dissolved in water. What is the equilibrium constant expression for this situation
Draw a six carbon alkyne that can exist as diastereomers. The molecule should only contain only carbon
Aluminum reacts with oxygen gas in a combination reaction to produce aluminum oxide. How many moles of oxygen gas are needed to react with 1.64 moles of aluminum
compute the pressure in atmospheres using the van der waals equation exerted by waterh2o of 23.93 grams at 36.11 degree
A foul smelling gas produced by the reaction of HCl with Na2S was collected, and 1.00 L sample was found to have a mass of 1.52 g at STP. What is the molecular mass of the gas. What is its likely formula
The white powders are hopelessly mixed in a dustpan. You are promised a big fat raise if you can construct a flowchart that a less qualified chemist will follow to separate the three compounds
be at the same concentration B) collide with suffiecient energy to break bonds C) bounce off the walls of the container
Suppose that an 85.0 laboratory animal ingested 10.0 of a substance that contained 2.45% by mass , an alpha emitter with a half-life of 24,110 years. What is the animal's initial radiation exposure in Curies
What are amino-acid tRNA synthetase enzymes and why are they important in the biology of cells? How many different ones do you know exist in any given cell type
A solution is prepared by condensing 4.00L of a gas, measured at 27°C and 746mmHg pressure into 58.0g of benzene. Calculate the freezing point of this solution.
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