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The voltage on an initially uncharged capacitor in an RC circuit takes 30s to reach 60% of its final value. What is the time constant for the circuit?
What is the volume of ammonia gas produced if you react 14.3L of nitrogen and 12.2L of hydrogen at constant temp and pressure?
Explain how the electronic properties of an attached group can affect the rate of electrophilic aromatic substitution and the orientation.
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
What is the name of Pb(NO3)2? Explain how you determined the type of bond and the steps you used to determine the naming convention for the compound
A chemist mixes 25.9g of water with 35.5g of methanol and 94.4g of 2-nitroethanol
what is the freezing point in celsius of a solution prepared by dissolving 6.20 g of mgcl2 in 110 g of water? the value
A student decomposes a 9.317 g sample of a compound containing only nickel and iodine. 1.245 g of nickel are precipitated out through experimental procedures.
You will be writing one research paper, the purpose of which is to allow you to learn more about a topic in developmental mobile, ubiquitous, and pervasive information systems and allow you to exercise your skills in scientific writing.
Potassium permanganate (7.57 g) reacts with sulfuric acid (10.32 g) as per the chemical equation shown below. Which reactant will remain after the reaction is complete
Find out the concentration of NaOH used in this reaction as well as the concentration of NaOH that was left after the hydrolysis reaction to finally find the molar mass of the ester.
Assuming stomach acid is 0.1 M HCl, how many grams of stomach acid would have been neutralized by311mg of Mg(OH)2
A sample of gas occupies a volume of 400 mL at 0.740 atm and 70 oC. Calculate the pressure of the gas if its volume is changed to 360. mL while its temperature is held constant.
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