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Malonic acid =HOOC-CH2-COOH abbreviated H2A 50 100 150 200 vol. of NaOH added (mL) Point B Given that Kal = 1.5 X 10-3and KaZ= 2.0 X 10-6for malonic acid, answer the following questions: A. Write ou
The vapor pressure of water at this temp is 22.4 torr. How many grams of each product were formed and how many grams of 2-heptene and oxygen did you start? R= 0.0820578 L*atm/K*mol.
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution mad
An ionic equation has 2H+(aq) on the left side and H2(g) on the right. Are these species spectators? Explain
Classify the reaction type : combination , combustion, decomposition , single displacement, or double-displacement
Why does it take significantly stronger magnetic and electrical field strengths to move the beams of alpha particles compared with the beams of electrons (beta particles)
The balanced chemical equation is N2+O2<--->2NO.If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established
1-bromobutane reacts with formaldehyde. what is the product before the H30+ reacts on the product
What is the maximum mass of sucralose (C12H19Cl3O8) you can add to 2.50 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it di
consider a 0.0500m HClO2 is a moderately weak electrolyte acid such that 36% of the molecules dissociate when dissolved in water. calculate the van't hoff factor
Given that acetophenone is a meta- director, draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when ac
A container has a mass of 78.91 grams when empty and 92.44 g when filled with water. The density of water is 1.000 g/cm3. Calculate the volume of the container. When filled with an unknown liquid, t
Lightning from thunderstorms strike the Earth 100 times each second. 2400 deaths have been caused by lightning strikes over the past 25 years. How many strikes occur before a death occurs? Please ex
Calculate the pressure and composition of air 100 miles above the surface of the earth assuming that the atmosphere has a temperature of 0 celsius independent of altitude. The correct answer is 3.27
If you know that each copper atom (radius = 128 pm) has a mass of 1.055 x 10^-22, how many atoms are there in this cube. What fraction of the cube is filled with atoms. Why is there "empty" space in
The system then re-equilibrates. The appropriate chemical equation is PCl3+Cl2PCl5. Calculate the new partial pressures after equilibrium is re-established
A cup of brewed coffee is made with 9.0 grams of ground coffee beans. If a student drinks four cups of gourmet coffee a day, how much does the student spend on a year's supply of gourmet coffee that
How many miles could you drive for $3.90 if the gas mileage of your car is 14.0 km/liter of gasoline and the price of gasoline is $0.96/gal
The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. Suppose that a solution is 4.5×10?2 in calcium chloride and 8.5×10?2 in magne
Lightning from thunderstorms strike the Earth 100 times each second. 2400 deaths have been caused by lightning strikes over the past 25 years. How many strikes occur before a death occurs
Consider two jars. One jar contains 100 blue spheres, and the other jar contains 25 each of red, blue, green, and yellow colors mixed together. If you were to remove 30 spheres from the jar containi
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
The mass of a golf ball is 45.9 G . If it leaves the tee with a speed of 65.0 M/S, what is its corresponding wavelength
Ice floats on water. For most other substances however, the solid sinks in the liquid. Classify each of these statements as true for water, or true for most other substances.
If the sun is a distance of 1.5 x 108 km from Earth, how many minutes does it take sunlight to reach earth if light travels at 186,000 miles each second