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Determine the kinetic energy of a 75.0 kg mass moving at 61.3 m/s. Your answer should be in Joules.
Explain why is a calibration curve constructed. How. Define how are percent transmittance and absorbance related algebraically
The heat of fusion of ice(the heat associated with ice melting) is 6.0 kJ/mol. Find the temperature of the coffee after the ice melts.
If you started a reaction with 2.00mmol of cyclopentanone (0.18ml) and 8.00mmol of benzaldehyde (0.81ml) what is the theoretical of the final product dibenzalcyclopentanone
Determine whether each compound is an Oxide, Peroxide, Superoxide, or something else: Na2O, BeO2, Rb2O2, Ba(O2)2, SrO. Determine whether each oxide would be Acidic, Basic, or Amphoteric: BaO, Cl2O7, Li2O, Al2O3, SO2.
Explain how would you make 100mL of a carbonic acid buffer at 0.2 M and pH = 9.8 utilizing 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCL and water
Calculate an unknown concentration of cobalt (II) nitrate if it and the original substance I was using both exhibit the color red? I'm pretty sure the answer is yes, but I want to double check.
What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.
One way the rate law for a reaction can be experimentally determined is to monitor the concentration of each reactant continuously over the span of the reaction. Explain in no more than one paragraph how a rate law is derived from the data obtaine..
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of ?H and ?S are independent of temperature.
Write the reaction with water that is the ionization of propionic acid to propionate, draw this out in two ways. First with expanded structures, of course, all atoms and all bonds.
The mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40C. What mass of sodium chloride would be found in 1,477 grams of this solution?
Your friend decides to decrease cooking time for spaghetti noodles by adding table salt to 2.0 L water. How much table salt (NaCl) must be added to the water in order to raise the boiling point by 4.0?C? (Kf = 1.86?C/m, Kb = 0.512?C/m)
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