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A 35.16 g piece of copper (which has a molar heat capacity of 24.47 j/c mol) is heated to 80.8 degrees celcius and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g C) initially at 21.5 C. The final temp of the water is 27.1 degrees celcius. Calculate the mass of water in the calorimeter.
What effect on the calorimeter constant calculated would be observed if the calorimeter cup were made of a conducting material(such as metal)rather than plastic foam
If 250.0 mL of 0.354 M Phosphoric acid need to be prepared, how many grams of H3PO4 need to be added to water to make this solution
How much 0.20mol/L NaOH must be added to this buffer to raise the pH to 5.1. If the same amount of 0.20 mol/L NaOH were added to 250mL of deionized water, what would the new pH be
Calculate the solubility of Carbon Dioxide in water at an atmospheric pressure of .50 atm.( a typical value at high altitude). Atmospheric Gas: CO2 Mole Fraction
It takes 51.0 J to raise the temperature of an 10.2 g piece of unknown metal from 13.0C to 25.0C. What is the specific heat for the metal
Imagine that you are trying to design a new battery using the elements tin (Sn) and a halogen (Cl2, Br2, or I2) and you are using the reactions when SnCl2 and KBr are combined.
Determine ΔSsys separately for the volume and temperature changes and show that ΔSsys=0 for a reversible adiabatic process. Also, if the expansion had instead occurred irreversibly against a constant external pressure of 1 atm
Hexane is used to wash the solid product of a Sn1 carbocation reaction why is ice cold hexane used? and why does it need to be ice cold?
given the balanced equation representing a reacction: 2C2H6+7O2=4CO2+6H2O determine the total number of moles of oxygen that react completely with 8.0 moles of C2H6
cindy an overweight high school student is overheard telling her friend that shes going to research how she can
The dipole moment of ClF is 0.88 D, and its bond length is 163 pm. What is the percent ionic character of the Cl-F bond
calculate the quantity of heat produced when 19.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
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