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Incandescent light bulbs enclose inert gases, such as argon, therefore that the filament will last longer. Explain the approximate volume of a 100-watt bulb is 130cm3, as well as the bulb contains 3x10-3 mol of argon. Explain how many moles of argon would be contained in a 150-watt bulb under the similar pressure and temperature conditions if the volume of the larger wattage bulb is 185cm3?
Determine the concentration of a solution of Mg(NO3)2 given the precipitate formed is 2.97 g and there are 50mL of Mg(NO3)2 and 50 mL of NaOH. Please show all work for each step clearly
Explain the pH change when the strong acid was added to the prepared buffer solution in relation to the pH of the buffer solution . Also indicate the change in the ph when the acid was mixed with the deionized water in relation to the deionized wa..
What is the fractional conversion of ethane? b) What is the production rate of ethanol?
1. a sample of n2 gas occupies 2.40 l at 20?c. if the gas is in acontainer that can contract or expand at constant
A block of metal has a width of 3.2cm, a length of 17.1cm, and height of 3.3cm. Its mass is 1.5kg. Calculate the density of the metal.
a protein subunit from an enzyme is part of a research study and needs to be characterized. a total of 0.180 g of this
In a beaker of boiling water, there are many gas bubbles forming throughtout the liquid. What gas comprises the bubbles.
1.0994 g lithium sulfate dissolved in 50 mL water b. 10.3 mg lithium sulfate dissolved in 0.50 mL water c. 0.2575 g lithium sulfate dissolved in 12.5 mL water d. 5.497 g lithium sulfate dissolved in 2.5 L water
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
How much work must be done to bring ion A and ion B together into an activated complex. The charge of ion A is +2 and it's ionic radius is 2.85 A and if the charge on ion B is +1 and it's ionic radius is 1.35 A
cis-dibenzoylethylene is converted to a more stable, new product, ethyl 4-phenyl-4-phenoxy-3-butenoate. What is the structure of the new product
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
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