Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.

Z test with a two-tailed test for drawing of distributions : For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved. |

What is the molar concentration of the ammonia : If 17.0 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia? |

Computing quadratic equations : Solve by completing the square: Solve using the square root property: |

Share-based compensation plans to employees : Vacaro Corporation provides a variety of share-based compensation plans to its employees. Under its executive stock option plan, Vacaro granted options on January 1, 2009, that permit executives to acquire 20 million of the company's $1 par common.. |

Calculate the theoretical yield of c2h5cl : Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl. |

Calculate the vapor pressure of pure ethanol : The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 400C. Calculate the vapor pressure of pure ethanol at 400C |

What is the apr and ear of your investment : You bought a stock three months ago for $73.82 per share. The stock paid no dividends. The current share price is $76.09. |

What is the effect on the exchange rate : Explain what is the effect on the exchange rate of an increase in the country's money supply according to the asset market or portfolio approach and in what ways does it differ from the monetary approach? |

Quadratic equation using ac method : Factor the following trinomial using the AC method |

## What would be the temperatureSuppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure. |

## How much limestone in kilograms is requiredLakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3 ). How much limestone in kilograms is required to completely neutralize a 3.8 x109 lake with a pH of 5.5. |

## How much heat in kilojoules is evolvedHow much heat in kilojoules is evolved in converting 1.50 mole of steam at 150 deg celsiys to ice at -35.0 deg. celsius? The heat capacity of steam is 1.84 J/g. deg celsius. |

## Determine the mass of liquid propylene glycolDetermine the mass, of: a.30.0 mL of the liquid propylene glycol, a moisturizing agent for foods, |

## Determine how much h2o is neededThis is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction? |

## Calculate the standard enthalpy of formation of octaneOctane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) + 25O2(g) ? 16CO2(g) + 18H2O(l) ?H°rxn = -11,020 kJ/mol. Given that ?H°f[CO2(g)] = -393.5 kJ/mol |

## Identify the steric number, shape, hybridizationIdentify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2. |

## What volume of nacl is neededWhat volume of .100 M NaCl is needed to react completely with 5.00mL of .200 M Pb(NO3)2. |

## What was the concentration of sulphuric acidYou are given 5.00 mL of an H2SO4 solution of unknown concentration. You divide the 5.00-mL sample into five 1.00-mL samples and titrate each separately with 0.1000 M NaOH. |

## Determining the molar solubilityThe solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water. |

## What is the volume percent of a solutionwhat is the volume percent of a solution prepared by dissolving 43 g of NaOH in enough water to make a final volume of 120 ml. |

## What the new equilibrium total pressure will be2SO2(g) + O2(g) 2SO3(g) Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. |

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