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Write the formula of the reactants and products-including the symbols for the state- (s), (l), (g), (aq)- then balance the equation:
Ethyl alchol (a liquid) C2H6O, burns in air to producce carbon dioxide and gaseous water.
Plot the absorbance against the ration of moles of X to moles of M. Calculate the formula of the complex from the mole ratio at which the absorbance reaches a maximum and levels off.
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
A certain second-order reaction ( B--> product) has a rate constant of 1.50×10?3 M-1*S-1 at 27C and an initial half-life of 214s. What is the concentration of the reactant B after one half-life
write the balanced equation for the combustion of isooctane (C8H18) to produce carbon dioxide and water. Use the smallest possible integers to balance the equation.
the property of mercury that allows it to form an amalgam with gold has been used in thee mining industry for hundred of years. during the boom in california in the 19th century
Draw a flame ionization detector FID using the following parts: column, flame, hydrogen, air, electrode, current meter
calculate each of the following for the reaction that occurs when 56.0ml of 0.50m barium chloride solution are mixed
Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC
A solution is prepared by adding 20.0 mL of 0.100 M KI to 20.0 mL of 0.100 M AgNO3. The potential of the solution is measured with a silver indicator electrode with respect to the saturated calomel electrode. Use activities in this problem.
How is "soap" chemically different from "detergent"? What chemical features and properties of detergents make them better than soap for hard water applications?
A chemical property of a substance can be observed without changing its composition or interacting with another substance. -A physical property can be observed without a chemical reaction.
Calcium Hydroxide is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.30 M Ca (OH)2 aq solution.
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