A 270 gram sample of an unknown hydrocarbon is burned in

Assignment Help Chemistry

Reference no: EM13583717

[1] A 27.0 gram sample of an unknown hydrocarbon is burned in exess oxygen to form 88.0 grams of carbon dioxide and 27.0 grams of water. What is a possible molecular formula of the hydrocarbon? a. CH4 b. C2H2 c. C4H3 d. C4H6 e. C4H10 [2] The alkenes are compounds of carbon and hydrogen with the general formula CnH2n. If 0.561 grams of any alkene is burned in excess oxygen, what number of moles of H2O is formed? a. 0.0400 mole b. 0.0600 mole c. 0.0800 mole d. 0.400 mole e. 0.800 mole [3] A sample of 9.00 grams of aluminum metal is added to an excess of HCl. The volume of hydrogen gas produced at STP is a. 22.4 L b. 11.2 L c. 7.46 L d. 5.60 L e. 3.74 L [4] Which molecule exhibits sp3d2 hybridization? a. SO2 b. SF6 c. CH4 d. PCl5 [5] When carbon undergoes sp2 hybridization, it forms a. Four sigma bonds b. Three sigma bonds and one pi bond c. Two sigma bonds and two pi bonds d. One sigma bond and three pi bonds e. Four pi bonds [6] Which molecule has triangular bipyramid geometry? a. PF5 b. H2O c. SF6 d. PCl3 [7] The approximate OSO angle in the SO2 molecules is: a. 90 degrees b. 109 degrees c. 120 degrees d. 180 degrees

Reference no: EM13583717

Questions Cloud

Identify and discuss what aspects of these two documents : question 1 identify and discussnbspthe stakeholder groups affected by both of these documents andthe emerging business

Cases in the past 15 years or so where corporations have : corporate ethics and fraud have received much media attention through reporting of scandals at major corporations. you

Construct a 95 confidence interval estimate of the : the quality control manager at a light globe factory needs to estimate the mean life of a large shipment of

A bridge is constructed of a material that is known to : a bridge is constructed of a material that is known to expand 0.1 cm for eeach meter in length when subjected to a

A 270 gram sample of an unknown hydrocarbon is burned in : 1 a 27.0 gram sample of an unknown hydrocarbon is burned in exess oxygen to form 88.0 grams of carbon dioxide and 27.0

Prepare entries in general journal form to record the : prepare entries in general journal form to record the following transactions in general fund general ledger accounts

Aproton in the upper atmosphere moves at 88times105 ms : a proton in the upper atmosphere moves at 8.8times105 ms perpendicular to earths magnetic field which at that point

Mcgriff requires an estimate of the cost of goods lost by : mcgriff requires an estimate of the cost of goods lost by fire on march 9. merchandise on hand on january 1 was 76000.

What type of orbital is used to form the pi-bond in c2h4 : which of the following refers to the ground-state electron configuration of an atom? q options 1s12s1 kr5p1 ne3s13p2

User Account

All Pages