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How much heat is released when 105 g of steam at 100 Co is cooled to ice at -15Co? the enthalpy of vaporization of water is 40.67 KJ/mol, the enthalpy of fusion for water is 6.01KJ/mol.
One issue confronting the use of carbon 14 decay to date materials is that of obtaining a standard. One approach to this issue is found in the field of dendrochronology, or use of trees.
What other syntheses do you think will work in place of 1-bromo hexane in an experiment of 1-bromo hexane and 2 bromo hexane on anti markovnikov bromination experiment?
A 35.0 mL sample of an aqueous H2O2 solution was titrated with 23.5 mL of a 0.0204 M aqueous KMnO4 solution according to the balanced equation. Calculate the molarity of the H2O2 solution.
Assume that water at 100 degrees celsius is saturated with KNO3 and then allowed to cool to 15 degrees celsius. Calculate the percentage of KNO3 that will crystallize out.
CI.20 K+ is an electrolyte required by the human body and is found in many foods, as well as salt substitutes. One of the isotopes of potassium is 40K, which has a natural abundance of 0.012% and a
Radioactive decay is 1st order and decay rates are given as half life. Give that potassium contains 0.0118% K^40, which has a half life of 1.27 x 10 ^9 years, how many disintegrations per second ar
the following pairs of soluble solutions can be mixed in some cases this leads to the formation of an insoluble
sodium metal reacts with water to produce hydrogen gas and sodium hydroxide according to the chemical equation shown
chlorine dioxide has been used as a disinfectant in ac systems it reacts with water according to the equation 6clo23h2o
write a balanced chemical equation for thermal decomposition of niso47h2o based on observation that compound remained a
write a chemical equation for thermal decomposition of crcl36h2o based on observation that blue litmus paper moistened
the head of a strike anywhere match contains tetraphosphorous trisulfide p4 s3 in an expriment a student burned this
calculate the ph of a solution containing 15 m acetic acid and 25 m sodium acetate for acetic acid ka 18 x10-5 either
at certain temperature kc for the reaction pcl5-gtlt- pcl3 cl2 is equal to 333 after 20 mole of pcl5 and 10 mole of
draw 2r3r-2-bromo-3-phenylpentane in the conformation from which it is most likely to undergo e2 elimination to give
draw the major product derived from e2 elimination from
list the following bonds in order of increasing ionic character enter your answer in the format h-o for the
draw trans-1-bromo-2-isopropylcyclohexane in the conformation from which it is most likely to undergo e2 elimination
a 03146-g sample of a mixture of nacls and kbrs was dissolved in water the resulting solution required 4180 ml of
calculate the osmotic pressure of a solution contains 00010 mole of kcl and 00010 mole of bacl2 per liter of solution
for a given pure compound how does the amount of excess sample in the capillary tube affect the observed melting point
3h2g n2 g --gt 2nh3 g9 grams of hydrogen gas is mixed with 168 grams of nitrogen gas in a 10l vessel the temperature
for molecules containing a single stereocenter located at the carbon bearing the leaving group sn2 reactions proceed
how to write the rate expression in terms of the appearance of each product or disappearance of each reactant 2 hbrg