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A 455 g piece of copper tubing is heated to 89 degrees C and place in an insulated vessel containing 159 g of water at 22.8 degrees C. Assume no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the system?
If you begin with 250.0mL of 0.36 mol/liter NaCN, how many liters of the HCN solution must be added to the NaCN to prepare the buffer. Now add 1.60grams of NaOH (solid) to the buffer. What will be the new pH
Litmus paper is a classic pH indicator. Describe the color change litmus paper undergoes when placed in both acidic and basic solutions
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4
If you start out with 2 fructose molecules how much net energy (in ATP's) can be produced in the muscles for all three processes (Glycolysis, Kreb Cycle, and electron transport chain)
A weather balloon at Earth's surface has a volume of 3.9 L at 275 K and 775 mm Hg. if the balloon is released volume reaches 4.2 L at 711 mm Hg what is the temperature.
Suppose that 0.35 mol of hydrogen gas and 0.35 mol of clorine gas are placed in a 1L reaction vessel at a certain temperature, and the following reaction comes to equilibrium
Suppose that the gas-phase reaction A B and B A are both elementary processes with rate constants of 6.56e-02 s-1 and 3.51e-04 s-1, respectively
The concentration of a 300 ML sample of CaCl_2_ solutionis .256M. What is the mass of the solute?
If oxygen gas is collected over water at 60 degree C and 1.10 atm, what is the partial pressure of the O2?
a 250.0 ml sample of chlorine gas is collected when the barometric pressure isnbsp 798 mmhg. what is the volume of the
How many grams of titanium tetrachloride can be produced?
Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, CF4 via the reaction
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