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A 0.300 g sample of carbon dioxide, CO2, has a volume of 538 mL and a pressure of 479 mmHg .
Part A
What is the temperature of the gas in kelvins? Express your answer to three significant figures.
Part B
What is the temperature of the gas in degrees Celsius? Express your answer to three significant figures.
If 5.44 mol of ethane(C2H6) undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O. Explain how much oxygen is required
Calculate the mass of calcium carbonate formed when 25 mL of a solution of calcium chloride at 0.10 M react with sodium carbonate in excess
the best means of personal protection from radiation for emergency responders is the implementation of three basic
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
a volume of 60.0 ml of aqueous potassium hydroxide koh was titrated against a standard solution of sulfuric acid
A 35.0mL sample of 0.150 M acetic acid (CH3COOH) is titrated with 0.150 M NaOH solution. Compute the pH after the following volumes of base have been added.
Question- Based on the structures of H3PO2(l), H3PO3(l), and H3PO4(l) shown here, determine the number of ionizable protons (acidic hydrogen atoms) per formula unit.
Consider the following precipitation reaction 2 Na3(PO4)2(aq) + 3CuCl2(aq) ----> Cu3(PO4)2 (s) + 6 NaCl (aq). What volume of 0.168 M NaPO4 solution is necessary to completely react with 91.4 mL of 0.117 M Cucl2
The rate equation for the decomposition of N2O5 is rate=[N2O5]. The value of k is 6.7E-5 seconds for the reaction at a particular temperature.
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
When the concentration of your suspect (overshot) value is compared to the concentration values of the rest of your titrations what would you look for in the calculated concentration to confirm your suspicion of having overshot the end point?
Using appendix C compare entropies at 25 degrees C for the following pairs of substances. For each pair, explain the difference in the entropy values.
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