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A sample of a metal with specific heat .95 J/g C is heated to 80 C and then placed in a calorimeter with 450g of water. The initial temperature of the water is 19 C and the final temperature of the system is 25.1 C. What is the mass of the metal?
Calculate the standard enthalpy of formation of Acetylene (C2H2) from its elements: 2C(graphite) + H2(g) -------- C2H2(g) Use the following equations to calculate
Calculate the amount of heat liberated (in kJ) from 437 g of mercury when it cools from 61.0°C to 12.0°C.
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
Write the net ionic equation for the reaction. Calculate the equilibrium constant for the reaction.
How much gold metal (in grams) can be electro-plated from a gold (III) solution with 1.50 V and 2200 mAh. I think it is 16.17 grams
A solution is prepared by dissolving 19.9 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 15.00 mL sample of this stock solution is added to 59.00 mL of water.
How many moles of NaOH were required to neutralize the amount of KHP in Part b. d) What is the concentration of the NaOH solution?
Using a table of thermodynamic data calculate, the Delta H degrees for the following reaction (at 25 degrees C).
Which would have a higher energy of activation and why, nitration of 4-bromonitrobenzene or nitration of bromobenzene
write a balanced half-reaction describing the reduction of gaseous dioxygen to aqueous oxide
What is the product expected from the reaction of 1,3-butadiene and 3-sulfolene? Why is this not a major concern as a by-product
Calculate the volume of 0.07216 M AgNO3 needed to react exactly with 0.3572 g of pure Na2Co3 to
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