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Design an experiment to determine the density of irregular shaped object.
a. Include an introduction describing the calculations that will need to be made.
b. Write out the procedure for another student to follow.
c. Include a table for the data and calculations enteries.
d. Design two follow-up questions.
Calculate the heat that must be supplied to 12.40 g of Ne(g) at 0.150 atm to raise its temperature from 25.0°C to 51.0°C under the following conditions
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
a solution is prepared by dissolving 4.21 g of a non electrolyte in 50 g of water. if the boiling point increases by .203 degree celsius, what is the molar mass of the solute? the boiling point elevation constant for water is .502 degree celsius p..
calculate the mass loss on heating 1.200 g of a NaHCO3-NaCl mixture containing 65% NaCl
Using the reaction 2C6H6+15O2--->12CO2+6H2O, what volume of carbon dioxide will be produced when 128.0 grams of benzene react.
Hydrogen and iodine gases react to form hydrogen iodide gas. H2(g) + I2(g) → 2 HI(g) At a certain temperature and pressure 0.70 L of H2 reacts with 0.70 L of I2.
What is the molar solubility of Hg2C2O4 (Ksp = 1.75x10^-13) in 0.34M Hg2(NO3)2
How long would it take for a radioactive isotope with a half life of 2 weeks to lose at least 70% of its radioactivity? Describe two clinical uses of Radioactivity.
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
The reaction 2A + B --> C + D has an activation energy of 80.0 kJ/mol. At 320°C, the rate constant k = 1.80 x 10-2 L mol-1 s-1. What would be the value of k at 450°C?
Use bond enthalpies to estimate the enthalpy change for the following gas-phase reaction.
If 4.50 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
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