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Propose the kinds of attractive forces that might bind congo red to cotton fabric.
What is the molecular formula of the compound with empirical; formula C5H8O and molar mass 336.5 g mol-1?
A bicycle tire is filled with air to a pressure of 75 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire
Calculate the mass of HONH2 required to dissolve in enough water to make 250.0 ml of solution having a pHof 10.00 (Kb=1.1*10 (-8).
A 19.0 kg piece of zinc at 67 degrees Celsius is placed in a container of water. The water has a mass of 23 kg and has a temperature of 9.4 degrees Celsius before the zinc is added. What is the final temperature of the water and zinc?
calculate the initial reaction rate when [O3] & [NO] remain essentially constant at the values [O3]0= 7.48 x 10-6 M & [NO]0= 3.26 x 10-5M, owing to continuous production from separate sources.
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.
Hom much .200M KOH is required to completely neutralize
Write the half-cell reaction for the oxidation. Write the half-cell reaction for the reduction. Write the balanced equation for the cell reaction. Keep substances in the order given in the original equation.
1.00 mole of pure Cl2 are placed in a 1.00-L container. If x moles of NOCl react, what is the equilibrium concentration of Cl2? Why is the answer C) 1 + x/2
Using the balanced equation of BaCl2 + 2AgNO3 => 2AgCl + Ba(NO3)2, answer the following questions: What mass of AgNO3, in grams, is required for complete reaction with 0.156 g of BaCl2? What mass of AgCl is produced?
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