What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm, solve the 2x2 simultaneous linear equations for the concentrations of bromothymol blue and thymol blue.

Model that will fit in the display case : A building is 180 feet tall. For a class project, Kari is to make a scale model of the building to place in the front hall display case. The display case is 23 inches tall. Which scale will allow her to make the tallest model that will fit in .. |

Evaluate the natural settings of the test environment : Describe and assess the evaluation method being used by the testing company, i.e., nonvisual and verbal recording of browser activities and tester's vocal comments and evaluate the natural settings of the test environment for Web users |

In a mass production of bolts it : In a mass production of bolts it is found that 5% are defective. Bolts are selected at random and put into packet of 10. |

The group of automorphisms of g : Let G be a group. The set Aut(G) = {P : G --> G | P is an isomorphism} is called the group of automorphisms of G. Aut(G) is a group with the operation of composition. Prove that Aut(Z2 x Z2) is isomorphic to S3. (See actual question in attache.. |

Simultaneous linear equations for the concentrations : What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm |

Which value is the slope and which is the y intercept : In y = mx + b, which value is the slope and which is the y intercept? |

The only way to stop the audible alarm is to input : If a further incorrect code is entered, the alarm remains on, the outside light flashes, and a message is sent to the police station. Entering the correct code at any time that the audible alarm is on will de-activate the alarm. |

Describe the shape of the distribution : Draw out what this would look like as a histogram and describe the shape of the distribution - what would look like as a histogram |

What is the student error : Joe believes that the relation {(2,1),(3,-2),(4,5),(5,-2)} is not a function because two values in the domain have the same range value. What is the student's error? |

## Compute delta g for the expansionargon expands from 25.0 L to 35.0 L at a constant temperature of 350 K. Calculate delta G for the expansion. |

## Compute the wavelength of the photon emitted with transitionCalculate the wavelength of the photon emitted when an electron makes a transition from n=4 to n=3 |

## How many molecules of no2 are producedHow many molecules of NO2 are produced when 5.38 mol of ammonia is completely reacted? |

## Define assuming the surface water receiving the waste streamAssuming the surface water receiving the waste stream is somewhat dynamic, briefly summarize the zones or phases of transformation that could result during natural treatment and recovery (by sure to discuss the dynamics of oxygen depletion and rep.. |

## What mass of oxygen gas is and released in the reactionMagnesium oxide decomposes into magnesium and oxygen. If 16.12 of magnesium oxide decomposes to form 9.72 of magnesium, what mass of oxygen gas is also released in the reaction |

## Calculate approximate values of radius of chlorine moleculeUse the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere. |

## Define how the reaction at equilibrium respondsExplain how this reaction at equilibrium responds to the addition of heat? Please include any logic for why the reaction is endothermic or exothermic, |

## Calculate the concentration of magnesious, calciuma corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 M EDTA solution for a total endpoint, and 29.32 ml of 0.01 M EDTA solution for a calcium endpoint. |

## How many grams of ch4 is neededHow many grams of CH4 is needed to produce 49.0 g CHCl3? CH4(g) + 3 Cl2(g)-> CHCl3(g) + 3 HCl(g) |

## Explain the clausium-clapeyron equation is accurateBy plotting these data in a suitable fashion, determine whether the Clausium-Clapeyron equation is accurate. If so, use your plot to determine ΔHvap for C6F6. |

## Explain a buffer solution is prepared by dissolving of hobrA buffer solution is prepared by dissolving 0.075 moles of HOBr and 0.075 moles of NaOBr in 500mL of solution. Calculate the pH of this buffer. (HOBr: Ka = 2.4 * 10^-9) |

## Explain aluminum foil was dissolved in sufficientIf .43 g of aluminum foil was dissolved in sufficient 3M KOH solution, and the solution was acidified with 4M H2SO4, what was the theoretical yield of KAl(SO4)2 * 12H2O? If only 5.87g of alum were obtained as product from the synthesis described |

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