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Dichloromethane, CH2Cl2 is used to decaffeinate coffee beans and is prepared by reacting methane (CH4) with 2 moles of chlorine. a second product, hydrogen chloride, is also formed during this reaction. first write a balance equation for the formation of dichloromethane. next calculate how many gramsof chlorine are needed to react with 100.0 grams of methane. finally, calculate how many grams of dichloromethane are formed from 100.0 grams of methane, if present yield for the reaction is 80%.
How many grams of riboflavin (molecular mass = 374.6g/mol) are required to prepare a 1.00L solution that is 5.00 x 10^-5 M
Explain both alkene and carbocation stability as it relates to hyperconjugation. - Explain how hybridization relates to alkene stability.
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
A 97 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
Describe how to prepare BaSO4 by: a. an acid-base reaction b. a gas-forming reaction, and c. an oxidation-reduction reaction. The available starting materials are ZNCO3, HCl, Cl2, HNO3, Zn(OH)2, NaCl, ZN(NO3)2, and Zn.
calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 2.93 kg of H2O from its solid form at -13.0°C to its liquid form at 75.0°C.
The concentration of K+ in blood plasma is about 0.0050 M. The high internal concentration in cells is maintained by pumping K+ from the plasma. How much work must be done to transport 1.0 mol K+ from the blood to the inside of a muscle cell at 37..
Calculate the number of grams of alcohol present in 1.00 L of 78 proof gin. The density of ethanol is 0.798 g/mL.
2. The correctly drawn Lewis formula for NH2OH will have
Draw a structure containing only carbon and hydrogen that is a chiral alkyne with six carbon atoms. (Wedge/dash bonds are omitted for simplicity.)
Gel filtration of the protein gave an estimated molecular weight of 85000 g/mol. How many His residues are in the protein
Why is naturally occurring iron non-magnetic except when it is exposed to an external magnetic field (a secondary magnetic force). How is it possible to create a permanent magnet (ferromagnet) from a naturally occurring sample of iron.
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