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If a layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 23.6% of that found in living organisms. Explain how long ago was this ice age?
What are the purpose/s of determine the melting point range for your product of acetaminophen? Note that there may be more than one correct answer.
in very hot humid climates such as those in tropical junglessurface water is usually not safe to drink. a military
air enters a nozzle steadily at 300 kpa 200degc and 45 ms and leaves at 100 kpa 180 ms. the inlet area of the nozzle
A 2.476 g sample of a monoprotic acid was dissolved in wate. it took 21.36 mL of a 0.1577 M NaOH solution to neutralize the acid. calculate the molar mass of the acid.
Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.
A 1.994 g sample of ethanol is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91 K. If the heat capacity of the bomb is 615.5 J/K and it contains 1.150 kg of water, what is the enthalpy change per mole of ethan..
A mixture of 0.0319 g hydrogen and 0.0178 mol oxygen in a closed container is sparked to initiate a reaction. How many grams of water can form?
a hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. how many grams of water
Other than S=C=S; can I have S triple bonded to C single bonded to S? Wouldn't there be three electrons left on the triple bonded S; it would be sharing three when it started with six I don't understand? Help please.
Suppose that you are going to collect H2 gas produced from the reaction of an acid with a metal such as zinc. This reaction gives off heat, so the tem perature of the solution will increase as the reaction proceeds.
given the balanced equation representing a reacction2c2h67o24co26h2odetermine the total number of moles of oxygen that
find the mass of barium metal(in grams) that must react with O_2 to produce enough barium oxide to prepare 1.0L of a 0.10M solution of OH^-
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