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A 10.00 mL sample of vinegar is titrated with 0.5062 M NaOH and 16.58 mL is needed to reach the equivalence point. What is the molarity of the vinegar?
a. 0.8393 M
b. 8.393 M
c. 0.3053 M
d. 3.053 M
Draw the Lewis Structure for C3H6O (non-central atom type.) (There are five isomeric structures. Draw any three.)
Describe how the leaving groups affects the rate of an Sn2 reactions Use specific chemical examples to support the conclusion
The pH of an aqueous solution containing only a monoprotic weak acid has a pH of 4.1. What is the concentration of hydronium ion, H3O+, in the solution? (a)2 x 10?3 M (b)2 x 10?4 M (c)8 x 10?4 M (d)8 x 10?5 M (e)0.61 M
during a breath the average human lung expands by about 0.50 l. how much work in rm j is done during the expansion if
A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g)-> 2 CO2 (g) + 2 H2O (g)
What mass of barium is produced when molten barium chloride is electrolyzed by a current of 2.50 x 10^5 A for 6.00 hours
a tank contains helium at 490 mmHg, nitrogen gas at 0.750 atm, and neon at 520 torr. what is the total pressure in atm?
Ammonia has a melting point of 195 K and a normal boiling point of 240 K. At 225 K and 1atm, ammonia exists primarily as
A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.
How much energy must be supplied to break a single 6Li nucleus into separated protons and neutrons? (masses: 6Li, 6.01347; 1H, 1.00728; 1n, 1.00867 amu)
Homologous recombination is initiated
Calculate the standard enthalpy of formation of Acetylene (C2H2) from its elements: 2C(graphite) + H2(g) -------- C2H2(g) Use the following equations to calculate
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