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43.8 ml of 0.170 M HCl is needed to neutralize 37.6 ml of Ba(OH)2 solution. What is the molarity of the base? 2 HCl + Ba(OH)2 =BaCl2 +H20
laser beam to read the digital video data off a DVD disk. What is the frequency of this red colored visible light?
What are the annual CO2 emissions based on your vehicle use, vehicle's fuel consumption and a justified general combustion equation? Please use 10,000 miles as a reasonable estimate for annual vehicle use and use a published gas mileage for any sp..
The percent composition by mass of a compound is 40.0% carbon, 53% oxygen and the rest is hydrogen. find the empirical formula of the compound
Draw the product that is formed when (3R, 6R)-6-chloro-2,3-dimethyloctane reacts with sodium iodide in acetone
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
What are the procedural difference between the preparation of tin oxide and magnesium oxide
The pH of a 0.100 M formic acid solution (HCHO2) is 2.38 at 25 °C. Determine the Ka and pKa of formic acid
determine the net change of oxidation number of each of the elements in the redox equations.
Consider two ionic compounds NaCl and BaO. Both materials have the same crystal structure where each ion is coordinated by six neighbors of opposite polarity (fcc rocksalt structure)
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
indicate the compartment (A or B) that will increase in volume for each of the following pairs of solutions separated by a semipermiable membranes
A gas has a volume of 95 ml at a pressure of 930 torr. what volume will the gas occupy if the pressure is increased to 970 torr?
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