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To calibrate your calorimeter cup, you first put 47 mL of cold water in the cup, and measure its temperature to be 23.1°C. You then pour 53 mL of hot water, temperature = 54.9 °C, into the cup and measure the temperature every thirty seconds over a 10 minute period. You extrapolate this "cooling curve" back to the time of addition and find that the "final temperature" after mixing is 37.9 °C.
What is the heat capacity of the calorimeter cup, ?
one of the components of the fuel mixture on the apollo lunar module involved a reaction with hydrazine n2h4 and
what is the molar concentration of a solution prepared by dissolving 0.100 moles of potassium nitrate in enough water
In its vibration-rotation spectrum what is the meaning of the P,Q and R branches. What is the J value of the lower rotational state in the R branch that gives the line of maximum intensity
calculate the total length obtained when you add 12.3cm, 2.75dm, and 0.450m. give the answer in centimeters
What is the energy of a photon of light that has a frequency of 3.09 x 1018 Hz? You might need to know that c = 3 x 108 m/s and h = 6.63 x 10-34 Js.
a certain monomer used in the production of polymers has one nitrogen atom and the mass composition 67.90 c 5.70 h and
The density of ethanol is 0.7893 g/mL. Calculate the maximum work that could be obtained by burning 1.000 gallon of liquid ethanol
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid. He expected that the product would be a diol. He did not get any of the expected product.
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
Explain how and why the nature of the leaving group affects the rate of an Sn1 reaction. Would 2-iodo-2-methylpropane react faster or slower than the other alkyl halides
a postulated mechanism for the reaction2n2o5 g rarr4no2 g o2 g consists of the following three stepsn2o5 harrno2 no3
flask shaken until the solution was uniform. A sample of 25.0 mL of this glucose solution was diluted to 0.500 ml then determine how many grams of C6H12O6 are in 100 mL of the final solution?
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