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Metal sample weighing 37.6 grams which has been heated to a temperature of 100 degree c in boiling water, was placed in 48.6 grams of water in a calorimeter, the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.
- what is the change in heat content q for the metal
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
Starting with Benzyl alcohol (PhCH2OH), 1-Proponal and any other organic or inorganic reagents outline a synthesis of 2-methyl-3-phenyl-2propen
What is the percent by mass of a solution in which 60. g of NaOH are dissolved in sufficient water to make 100 g of solution.
Calculate the value of w (work) for the following system if 29.0 g of NaN3 reacts completely at 1.00 atm and 22 °C.
should steam distillation be considered as a method of isolation and purification of an organic liquid that has a vapor pressure
The Al2O3 does not react. If the sample residue weighs 2.717 g, what is the mass fraction of Fe2O3 in the original sample?
When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B)
the compund TNT decomposes explosively into carbon, carbon monoxide, hydrogen,and nitrogen. what volume of hydrogen and nitrogen are produced if 5.8 L of CO is produced?
A sample of pure NO2 is heated to 388C at which temperature it partially dissociates according to the equation.
a sample of oxygen gax occupies a volume of 250ml at 740 torr presure, what volume will it occupy at 800 torr pressure?
A young child grows rapidly, with high levels of cell division and high energy requirements. If you were planning the child's diet, which food groups would you emphasize, and why? Which good groups would you deemphasize, and why?
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
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