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At 23 degrees Celsius and 1 atm the density of a gaseous hydrocarbon is 1.81 g (dot) L (inverse) 1. The Hydrocarbon is
a. CH4
b. C2H2
c. C2H6
d. C3H8
e. C4H8
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 8.00 g of sodium carbonate is mixed with one containing 4.75 g of silver nitrate.
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
The enthalpy of the reaction DH = -484 kJ. What is the enthalpy change (in kJ) when 1 grams of hydrogen are burned
given that 10.0 grams of metal at 99.0oc are placed in 50.0 grams of water at 24.0 oc in a perfectly insulated
The blood buffering system is aided by the enzyme carbonic anhydrase, which interconverts carbon dioxide and water to bicarbonate and H
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
a 1 litre sample of hcl gas at 25degree celsius and 732 mmhg wasabsorbed completely in an aqueous solution that
20.00mL of .120M Cu+ is titrated with .100M Ce4+. What is the voltage of the cell when the amount of added Ce4+ is (a)5.00mL, (b) 12.00mL, (c) 22.00 mL
Explain the relationship between the signof delta H rxn and wheathera reaction is exothermic or endothermic
Treatment of 1-butanol with phosphoric acid (H3PO4) mixed with sodium chloride should result in the formation of 1-chlorobutane. write the mechanism for this reaction.
A mixture initially contains A ,B ,C and in the following concentrations:[A] = 0.700 ,[B] = 1.35 , and [C] = 0.700 . The following reaction occurs and equilibrium is established:
What mass of water (in grams) forms from the reaction of 2.49 L of hydrogen gas and 1.92 L of oxygen gas? Both gases are at 738 torr and 27.3 oC
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