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Set up a ratio to calculate the number of oxygen molecules released when 1g of silver oxide is broken down.
Calculate the mass of sugar and salt in the original mixture. The other answer posted to the other time this questionw as posted seems to be incorrect.
0.50 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
Enough of a monoprotic acid is dissolved in water to produce a 0.0131 M solution. The pH of the resulting solution is 2.48.
What is the rate constant of a first-order reaction that takes 8.50 minutes for the reactant concentration to drop to half of its initial value?
The resulting solution is then titrated with 0.1041 M sodium hydroxide, and 12.39 mL of the sodium hydroxide solution are needed to reach a phenolphthalein end point.
If the same amount of sebacoyl chloride, 1,6-hexanediamine and sodium hydroxide were combined , but the solvent was used to afford a homogenous reaction mixture
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
When atomic absorption spectrophotometer had been allowed to adequately equilibrate, a blank determination of absorbance gave the following results.
the ejected electrons have the speed v=1.06x10^6 m/s. What will be the speed of the electrons ejected from the same metal by a light of wavelength 180nm?
An automobile engine requires a carburetor or fuel inector to mix the fuel with air. The fuel and air must be mixed in a particlar ratio to achieve maximum efficiency in the combustion of the fuel.
A 496-mL sample of a gas at 263 oC is cooled at constant pressure until its volume becomes 241 mL. What is the new temperature in oC?
Draw an energy diagram to show the progress of reaction (including reactants, transition state(s) and intermediate (if any). Then explain how the major product was determined.
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