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How much heat in is evolved or absorbed in the reaction of 2.28 grams of sodium ( Na) with water( H2O), express your answer in kilocalories?
Determine how many ml of C3H7OH (isopropyl alcohol) are in a 1pt container? rubbing alcohol is 73% ispropyl alcohol by volume.
t-butyl bromide was dissolved in formic acid, H2CO2H, and incubated for to hours at 25oC for two hours. (A) Draw the structure of the product that formed.
a 322 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 635 mmhg.
Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound?
calculate the increase in entropy when 3.50 mol of monatomic perfect gas with cp 52 r is heatednbsp from 250 k to 700
Assuming the vinegar solution has a density of 1.01 g/ml calculate the percent by weight of acetic acid in your sample of vinegar. How does that value compare with 5 percent the value for the percent acetic acid in normal vinegar? I had 10.0ml of ..
Why do we measure the volume of the flask with water rather than using the volume listed on the side?
A 10.00L vessel conatining CO2 has an internal pressure 20.0 atm at 273K Calculate the number of Moles Using the virial equation and van der wals equation
Predict what volume (mL) of 0.3000 M NaOH is required to titrate 25 mL of 0.3000 M HCl to the equivalence point
Give the number of valence electrons of each element and draw the Lewis structure for each molecule.
Draw any one of the skeletal structure of a secondary alkyl bromide with a molecular formula C6H13Br and two stereogenic centers. Indicate chirality by using wedge and hash wedged notation.
The standard cell potential (Ecell) of the zinc-air battery is 1.65V. If at 25 degrees celcius the partial pressure of oxygen in the iar diffusing through its cathode is 0.22atm, what is the cell potential (Ecell)? Assume the cell reaction is:
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
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