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What is the simplest formula of a compound if a sample of the compound contains 0.298mol X, 1.192mol Y, and 2.682mol Z?
what does it mean to manipulate the solubility of insoluble organic compounds by salt formation
Write a balanced chemical equation showing the function of the peroxide. In your equation identify the oxidizing agent and the reducing agent
While performing an activation energy experiment you accidently added 4.0 ml of water instead of 1.0ml. Explain how would this error effect the time required for the color to change? (Increase, Decrease, Un-effacted).
calculate how many moles of nh3 form when each quantity of reactant completely reacts.3n2h4 l 4nh3 g n2 g2.6 mole
Calculate standerd enthalpy of formation for dimand given that C graphite + oxygen(g) -------CO2(g) H = -393,5kj/m dimond(C) + O2(g)------CO2 (g) H = -395.1kj/m
A baseball is 150g and thrown at 100miles/hour with the same uncertainity. Determine the uncertainity in its position. The uncertainity was set at 1% in the previous problem not sure if it matters pertain to this problem.
Hypervenilation raises the pH of the blood in a condition known as respiratory alkalosis. Common treatment is to have the patient breathe into a paper bag,
The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals
A 1.80-g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/°C. The temperature of the calorimeter plus contents increased from 21.36°C to 26.37°C. Write a balanced chemical equation for the bomb ca..
Calculate the change of entropy for the system when 2.00 moles of a diatomic ideal gas is changed from 25 degrees celsius and 1.5 atm to 135 degrees Celsius
The oxidation of ethanol CH3-H2C-OH produces acetaldehyde CH3-HC=O. This reaction catalyzed by enzymes takes place in the body after alcohol consumption.
A sample of an unknown gas effuses in 14.7 min. an equal volume of h2 in the same apparatus under the same conditions effuses in 2.42 min. what is the molar mass of the unknown gas
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