How much heat is produced in burning one mole of c2h2
how much heat is produced in burning one mole of C2H2 under standard conditions if both reactanta and products are broght to 298K.
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Calculate the molar absorptivity of K2Cr2O7 at 455 nm, given that 36.5 mg dissolved in& ; 500.0 mL exhibits 12.0% transmittance at 455 nm in a 2.000 cm cell.
Use the principles of electrochemistry to answer these questions. Why is a salt bridge connecting two compartments of a galvanic cell necessary for the operation of the cell?
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. What force does the block exert on the bullet? What is the time it takes?
A 25.00 g sample of a solid is placed in a graduated cylinder and then the cylinder is filled to the 50.0 mL mark with benzene. The mass of benzene and solid together is 58.80 g. Assuming that the solid is insoluble in benzene and that the density
What sources other than financial statements are used to analyze a company and what information is available from those sources?& ;
A vertical spring has a stiffness of 2000 N/m. One of its ends is attached to the floor, and the other extends up a distance of 0.4 m when it is unstretched. A block of 3 kg is carefully placed on the top of the spring and let go. The block start
What caused America's "Crisis of Confidence" in the 1970s? How could the United States have reacted differently to the problems it faced around the world?
If the density of commercial bleach is 1.084 g/mL, how many mL of 0.150 M sodium thiosulfate is required to reach the end point in a titration similar to the one performed in this experiment, if a student analyzed a 2.0 mL sample of bleach.
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