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Problem- Show the anode and cathode reactions and a simple diagram for the following batteries: Dry cell, alkaline, silver button, lead-acid, nickel-metal hydride, and lithium-ion. Demonstrate a diagram and explain how a fuel cell works. Check with a textbook.
commercial vinegar was tritrated with naoh solution to determine the content of acetic acid hc2h3o2. for 20.0
Sometimes the structure of phosphoric acid is written with single bonds to both the OH groups and to the oxygen atom; other times the bond between the P and the O is shown as a double bond. The "truth" probably lies somewhere between. Explain
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.100 M HCl solution
What are the approximate bond angles at the carbon atom of all alcohols except phenols
if 105 of fluorine-18 is shipped at 800 a.m. how many milligrams of the radioisotope are still active if the sample
Mining engineers often have to deal with gases when planning for the excavation of coal. Some of these gases, including methane, can be captured and used as fuel to support the mining operation.
Draw the electron-dot formula for each of the following: a) H3COCH3 (the atoms are in the order C O C); b) CS2 (the atoms are in the order S C S); c) CLO2^-; d) SF3^+; e) H2CCHCN (the atoms are in the order C C C).
Determine the molarity of a saturated NaI Sodium iodide solution (aqueous) formed as twenty five degree Celsius
A reaction mixture initially containing 0.520 M H2S and 0.520 M SO2 was found to contain 1.0 x 10 -3. A second reaction mixture at the same temperature initially contains 0.245 and 0.335. calculate the equilibrium concentration of H2O in the secon..
Nitrogen has only two isotopes of appreciable natural abundance: 14N, with atomic mass of 14.00307 amu; and 15N with atomic mass of 15.00011 amu.
Suppose a 80-kg person drinks 3 L of water every day for 80 years with a arsenic concentration of 50 microgram/L. PF for arsenic is 1.75 (mg/kg-day)-1. Find the daily average dosage.
a physician wrote a prescription for tylenolreg 325 mg5 ml with codeine 10 mg5 ml liquid 5 ml three times a day x 4
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