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Are acetic acid, ethyl alcohol, vinegar, sodium hydroxide, ammonium hydroxide and hydrochloric acid soluble and flammable? Why is it flammable? Why is it soluble? Why not?
Calculate the amount of heat evolved in the oxidation of 32.0 g of Fe (Ar = 55.85 g/mol) at 25 oC and 1 atm pressure ( ?Hfo(Fe2O 3,s) = -824kJ/mol)
After he cleaned up the mess, he looked around the baby's changing table for remedies for this horrible rash, but he could not find anything. As he was about to panic, he remembered some useful acid-base chemistry from a class years ago. He opened..
Question- Iodine-131 is a radioactive isotope. After 5.00 days, 65.0% of the sample of 131I remains. What is the half-life of 131I
it changes the complex to the cis isomer. Any idea as to why
A reaction has a rate constant of 1.27×10^4/s at 29 degrees C and 0.234/s at 79 degrees C. What is the value of the rate constant at 18
sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic
1.at what ph is amino acid glycine with ka of 2.51 x 10-10 66 dissociated2. what is the ph of a solution made by mixing
if a temperature increase from 11.0 degrees c to 22.0 degrees c doubles the rate constant for a reaction what is the
If the CO2 and O2 in the above reaction are measured at the same temperature and pressure, 1. How many milliliters of O2 are produced per minute. 2. At what rate is the Na2O2 consumed, in grams per hour
Question- At a certain temperature the equilibrium constant for the following chemical equation is 4.00. At this temperature, calculate the number of moles of NO2(g) that must be added to 2.20 mol of SO2(g) in order to form 1.00 mol of SO3(g) at e..
If ragweed pollen in the image appears to be 6 cm define what is the actual size of the pollen in micrometers? The ragweed picture has a 3000x magnification.
Acetylene gas (C2H2) burns with oxygen in an oxyacetylene torch to produce carbon dioxide, water vapor, as well as the great heat needed for welding metals. The heat of combustion of acetylene
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