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A 7.45 g sample of solid LiOH is completely dissolved in 120.00 g of water at 23.25°C contained in a calorimeter with a heat capacity of 11.7 J/°C. The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution?
How much heat is required to warm 223 g of ice from -46.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation no rxn.
What happens to it after bromination of Cholesterol takes place? (ie- why is it that bromination allows you to separate it from cholesterol?) 3) Give a stepwise mechanism for the debromination step
The principle quantum number defines the shell (which is roughly, but not quite exactly, the row, or period, of the periodic table). Demonstrate the difference between the rows of the periodic table
according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g) 3H2(g)+N2(g). b)N2(g)+O2(g) 2NO(g). c)2NO2(g) N2(g)+2O2(g). d)4NH3(g)+3O2(g) 2N2(g)+..
Draw the Lewis structure of chlorous acid (HClO2). The result is that around Cl there are Fill in the Blank 01 (a number) bonding groups and Fill in the Blank 02 lone pair(s) of electrons.
Which of the following involve an increase in the entropy of the system under consideration?
Use metric conversion factors to solve the following problem. A park has an area of 150000 m^2. What is the area in km^2?
How many moles of NaBrO should be added to 1.00 L of .050 M hypobromous acid (HBrO) to form a buffer solution of pH 9.15. Assume o volume change occurs when the NaBrO is added.
(i) calculate the random match probability, RMP, for Katie (ii) based on the profile given and the attached inheritance.
Determine molar mass for this compound and oxidation state of lead in it. write the oxide formula of lead for the corresponding oxidation state
Because the potential of pH electrodes can vary, it is necessary to CALIBRATE a pH electrode before use. For many uses, a two-point calibration procedure is appropriate.
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