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Using an Erlenmeyer flask with 2ml of water instead of 50ml, would it make the experimental molarity higher, lower or no change compared to the actual valve?
A 80.0-L stainless steel container was charged with 4.00 atm of hydrogen gas and 5.00 atm of oxygen gas. A spark ignited the mixture, producing water. What is the pressure in the tank at a constant temperature of 25°C?
Every antacid contains one or more ingredients capable of reacting with excess stomach acid (HCl). The neutralization products (among others) are CO2 and/or HO2. Write net ionic equations to reprsent the neutralizing action of the following antaci..
if 77.0 ml of hydrogen gas is collected over water at 50.0 degrees celsuis and 763 mm hg what is the volume of dry gas
What mass of sodium phosphate would have to be added to 2.0 of this solution to completely eliminate the hard water ions
The final, dried product weighed 0.1314 g. What is the percent weight of Zn (65.39 g/mol) in the original sample
When 12.0 mL of a 2.89E-4 M barium acetate solution is combined with 18.0 mL of a 5.24E-4 M sodium carbonate solution does a precipitate form
calculate Kc for the reaction below: 2P(g)+ 5Cl2(g) 2PCl5(g) The answer provided is 240. Why is that?
he heat of vaporization of liquid water is 40.67 kJ/mol , and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J/(K*mol) for the vapor.
To an open beaker containing 500ml of water at 298k, 20g of sodium metal is added. the reaction proceeds quite rigorously but ultimately comes to rest after consuming all of the sodium metal and thermally reequilibrating with the surroundings. The..
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
suppose the solubility of your unknown carboxylic acid is 6.8gml water at 95c and 0.17gml water at 0c. given that you
Predict whether each of the following groups will be o,p-, or m-directors in electrophilic aromatic substitution reactions: SCH3
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