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What are some possible sources of error that might lead to an erroneous determination of the concentration of the acetic acid.
calculate the activation energy for a reaction if its rate constant increases from 10 to 45 s as the temperature increases from 298 to 315 k .
An experiment produces 15.0 grams of hydrogen for every 71.0 grams of oxygen used. How many grams of oxygen will you need to produce 6.0 g of hydrogen
a toothpaste contains 0.24% by mass sodium fluoride to prevent dental cavaties. One tube contains 119g of toothpaste. How many moles of NaF are in the tube of toothpaste.
the Ka of hydrazoic acid (HN3) is 1.9*10^-5 at 25 degrees C. what is the pH of a .35M aqueous solution of HN3?
a 25-g sample of an alloy at 98 c is placed in 50. g water at 17 c if the final temperature reached by the alloy sample
essential to prevent uncontrolled raise of the rate of chain reaction in the nuclear power plant. Can you try to find additional information how rate of chain reaction
Based on the functional group(s) present in the two compounds, determine 3 physical properties for each of the two compounds. Using these physical properties determine how each of the two compounds uniquely function in the products in which they ar..
a sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated
The mass of a beaker is 123.2537 g. After carrots were added to the beaker, its mass is 128.2671 g. The sample was then placed in the oven to remove water.
A sample of glucose, C6H12O6, contains 1.265 x 1021 carbon atoms. (a) How many atoms of hydrogen does it contain?
If the same amount of heat energy is added to a beaker containing 100ml of ethanol and a beaker containing 100ml of water, which liquid experiences the greater rise in temp
how many of the alcohol and ethers stereoisomers of formula C5H12O have charity centers.
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