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How many milliliters of 0.100 mol of KOH solution are needed to completely neutralize the HCl in 300 mL of a hydrochloric acid solution that has a pH of 2.25?
5 grams of propane are reacted with O2 and CO2 and H2O are produced. How many grams of H2O can be produced by the complete reaction of the 5 grams of propane with excess Oxygen
Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.
A 250.0 g sample of french fries is placed in a calorimeter with 500.0 g of water and an initial temperature of 21.0 C. After combustion of the french fries the water has a temperature of 48.0 C
When halogens react they tend to gain electrons rather than lose electrons. Pick the best two reasons why this occurs.
Which anion gives precipitate with Ba+2 ion? Iv) Which anion evolves a gas when acid is added? V) Which anion releases an odorous gas as a product?
Conversely, what is the percent H2SO4 in a 6.0M solution of H2SO4? Density of solution = 1.84g/cm^3
At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 351 K?
In the reaction Na + H2O ? NaOH + H2, which of these is true. a. Sodium is oxidized b. Water is oxidized c. Hydrogen is oxidized d. Oxygen is oxidized
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
1.00 mole of pure Cl2 are placed in a 1.00-L container. If x moles of NOCl react, what is the equilibrium concentration of Cl2? Why is the answer C) 1 + x/2
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
A 2.30 L sample of O2(g) was collected over a liquid at a total pressure of 785 torr and 25°C. When the O2(g) was dried (vapor of that liquid removed), the gas had a volume of 1.86 L at 25°C and 785 torr.
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