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Beaker contains aq soln of 6.94*10^-3M NiCl_2. beaker contains aq soln of 2.06*10^-5M Na_2CO_3. the two solns are mixed together (no volume change) if NiCO_3 has a Ksp of 1.42*10^-7 what do you expect to see?
the reaction was found to be first order both with rspect to NO and O3 (expressing concentrations as molarity) What are the units of the rate constant K for this reaction?
Which of the following are a conjugate acid-base pair in the above reaction?
At the begining of the titration being performed in this lab experiement, how do you determine how much naoh should be added at each interval between volume-pH readings? As you approach the equivalence point,
What is the amount of energy packaged in a photon with a wavelength of 310 nm. Calculate the frequency of EM radiation with a wavelength of 1.2 x 10-7 m
Assume that sucrose is a molecular solid and does not ionize when it dissolves in water. Kf values are given here.
Design a circuit for calculating the average value of three input voltages multiplied by 1000?
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
Calculate the molarity of a solution made by adding 27.8 mL of concentrated hydrochloric acid (37.3 % by mass, density 1.19 g/mL) to some water in a volumetric flask, then adding water
A hot-air dryer is used to reduce the moisture content of 1500 kg/min of wet wood pulp from 0.75 kg H20/hg dry pulp to 0.15 wt% H20. Air is drawn from the atmosphere at 28 deg. C, 760 mmHg, and 50% relative humidity, sent through a blower-heater, ..
when sodium azide , NaN3 , is activated in an automobile air bag , nitrogen gas and solid sodium are produced . if 0.0500 moles of NaN3 react , what mass , in grams , of nitrogen would result ?
Cyclic Alkyne reaction with KMnO4 and O3, Molecule 1: 5 carbon ring, carbon 1 has a carbon attached which also is triple bonded to another carbon (this end carbon just has a H attached.
The temperature remains unchanged. Determine the final pressure of the system of two tanks.
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