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The carbon dioxide will be generated by reacting solid sodium bicarbonate (NaHCO3) with a solution of acetic acid (CH3COOH) as follows:NaHCO3(s) + CH3COOH(aq) ? H2CO3(aq) + CH3COO-(aq) + Na+(aq)H2CO3(aq) ? H2O(l) + CO2(g)
To get a better value for the volume, you fill the bag with water, then measure the volume of the water to be 513.1 mL. Now you measure room temperature to be 20 °C and the barometer on the wall gives a reading of 764 torr for the atmospheric pressure. Using the ideal gas law, calculate the number of moles of CO2 that will be required to fill the bag at this temperature and pressure.My answer (which is correct) = 0.0215 mol
Now inspect the reactions above generating CO2 and calculate the molar quantity of NaHCO3 and CH3COOH needed.Quantity of NaHCO3:Quantity of CH3COOH:
What mass of NaHCO3 will be needed?
After all the water is evaporated from 10.0 mL of a CsCl solution, 3.75 g of CsCl remains. Express the original concentration of CsCl solution in each of the following units.
Calculate the reaction Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 737. What is the partial pressure of the hydrogen gas collected in this way
Nitrogen (N2) reacts with hydrogen to give ammonia (NH3): N2 + 3H2 -> 2NH3 If 30 g of N2 reacts with excess hydrogen, what the mass of ammonia formed would be?
a 155 g sample of an unknown substance was heated from 25.0degc to 40.0degc. in the process the substance absorbed 5696
For each solution, calculate the number of moles of acid added. 3. For each solution, calculate the number of moles of OH- ion added.
Physical propoerties and intermolecular forces, What type of intermolecular forces accounts for the following differences in each case?
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
an acid solution is 0.100 m in hcl and 0.190 m in h2so4.what volume of a 0.150 m koh solution would have to be added to
If 46.1 g Zn at 18.0 C is placed in 80.0 g H2O at 75.0 C, what is the final temperature of the mixture. The specific heat capacities of zinc and water are 0.388 J/g·K and 4.184 J/g·K, respectively.
He was surprised that most of the white solid melted sharply between 121 and 122 C but that a small amount remained unmelted even at temperatures above 200 C. Explain this behavior.
Calculate the density of propanol C3H8O if you know that there are 1.069×10 25 molecules of propanol in 1.35 L.
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