In a tritration experiment 36.27ml of 0.35M KOH was used to titrate 25.0ml of HF. How many moles of KOH were used? How many moles of acid were titrated? What is the concentration of the HF?

What was her average price per share : An investor bought 150 shares of High Flying Airlines. She paid $60 per share for 50 shares, $50 per share for 60 shares, $75 per share for 40 shares. What was her average price per share? |

State what is the final temperature outside the volcano : What is the final temperature, in ?C, of the gas in the bubble outside the volcano if the final volume of the bubble is 161mL and the final pressure is 0.827atm, if the amount of gas remains constant? |

What is the z-score of this kernel : The first kernel pops 127 seconds after the microwave oven is started. What is the z-score of this kernel? Round your answer to two decimal places. |

Use the rectangles in each graph to approximate : Use the rectangles in each graph to approximate the area of the region bounded by y = sin(x), y = 0, x = 0, and x = π. (Round your answer to three decimal places.) |

Explain how many moles of acid were titrated : KOH was used to titrate 25.0ml of HF. How many moles of KOH were used? How many moles of acid were titrated? What is the concentration of the HF? |

What is the original number : The sum of the digits in a two digit number is 11. If the digits are reversed, the new number will be 45 less than the original number. What is the original number? |

Find the amount of labor demanded : Suppose that the production function for the corporate sector is well represented by the Cobb-Douglas production function: Y=K^0.3L^0.7 Suppose that the capital stock of the firm is K bar= 10. Show that the demand for labor is given by W/P= 1.4L^-.. |

Explain what are the active ingredients : What are the primary uses of the 3 products mentioned? 2.) What are the ACTIVE ingredients? |

What is the probability that both marbles are red : A bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at random. What is the probability that both marbles are red? |

## Steps in the mechanism for the following reactionShow all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of .. |

## Prior to placing piece of metal into the graduated cylinderThis assignment inhibits chemistry Laboratory Questions. |

## Chemical and pharmaceutical scienceWrite an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst. |

## What is the structure - stereochemistryWhat is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)? |

## What will be the resultant pressureWhat will be the resultant pressure when the stopcock is opened? |

## The 1h nmr spectrumIntegrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound |

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