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For a certain reaction, = 8.38×10?4 and 9.24×10?5 . Calculate the value of the reverse rate constant, , given that the reverse reaction is of the same molecularity as the forward reaction.
Calculate the fraction of atom sites that are vacant for lead at its melting temperature of 327C
Consider a 1.00-L solution containing 85.5 g Al2(SO4)3 (FW = 342.15) and 21.3 g Na2SO4 (FW = 142.06). What are the molar concentrations of aluminum, sodium, and sulfate ions, respectively.
Offer a brief explanation of why bandgaps for octet p-block semiconductors (1) decrease with increasing average principal quantum number
Quinine emits fluorescence at the wavelength of 347 nm. An unknown quinine solution gave fluorescence reading of 400 (after background subtraction) at the 347nm.
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
Provide the name and structure of an herbicide not structurally related to those in this experiment, and indicate how the herbicide works
In the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. How much oxygen can be made from 45.8g of the potassium chlorate?
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal
Determine the [H+] and the pH of a buffer containing 0.20 M acetic acid and 0.10 M sodium acetate. 2. Calculate the percent dissociation of acetic acid in this solution
Although Aluminum Chloride, AlCl3, is ionic in the solid state, it is molecular in the gaseous state. Write the Lewis Structure, prepare a VSEPR sketch, describe the geometry, prepare a VB sketch describe the bonding in gaseous AlCl3.
To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 12.9 g, and its initial temperature is -13.9 °C. The water resulting from the melted ice reaches the temperature of your skin,
To determine the percent acetic acid (mass percent) in a vinegar sample, you perform a titration using a 0.2508 M NaOH standard solution. A 20.62-mL volume of the NaOH solution is required to reach the endpoint in the titration of a 7.248 sample o..
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