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There is a common belief that beverages tend to be acidic and cleaning agents are often basic. Based on your findings in this lab, is this statement confirmed, plausible, or busted? Explain.
Andrea made the following gifts
How much energy is needed to convert 64.0 grams of ice at 0.00 degrees C to water at 75.0 degrees C
Please show work so I can see all the steps. A metallic sphere initially has a net charge of +4.0 nC. What is the new net charge on the sphere
Forward Price of a bond
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 575 kg. estimate the kinetic energy stored in the flywheel
What is the key intermediate in the glycolysis pathway that diverges to ethanol in microorganisms. Why is the concentration of ethanol in wine typically 12% or less
Aluminum has a density of 2.7 103 kg/m3 and a molar mass of 27 g/mol. The Hall coefficient of aluminum is R = -3.0 10-11 m3/C. What is the number of conduction electrons per aluminum atom?
1.) A firm has paid dividends of $1.02, $1.10, $1.25, and $1.35 over the past 4 years, respectively. What is the average dividend growth rate?
Predict the shift in the direction of the reaction for the following chemical reaction: CH4 + O2 CO2 + H2O. if methane (CH4) is added.
A sinusoidal wave of wavelength 1.94 m and amplitude 0.0584 m travels with a speed of 0.878 m/s on a string. What is the maximum speed of any point on the string
If the mass of an empty weighing jar is 23.4568 g and the mass of the jar with the metal inside is 36.8320 g, and the volume in the graduated cylinder increases from 5.70 mL to 12.30 mL, calculate the density with uncertainty. The uncertainty for ..
A sample of a new compound is burned in an excess of air to produced CO2 and H2O. If 0.468 g of the sample produce 0.458 g of CO2 and 0.094 g of H2O and the molar mass is about 230, what is the likely molecular formula of this compound?
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
the most common source of copper is the mineral chalcopyrite. how many kilograms of chalcopyrite must be mined to
The vapor pressure of carbon tetrachloride, , is 0.354 and the vapor pressure of chloroform, , is 0.526 at 316 . A solution is prepared from equal masses of these two compounds at this temperature.
In a hydrogen atom, from what energy level must an electron fall to the n = 3 level to give a line at 1.28 micrometers in the infrared region? a. 7 b. 5 c. 6 d. 4 e
A sample of argon has a volume of 205 cm3 when its temperature is -44.0 oC and its pressure is 712 mm of Hg. What would be the volume of the argon at STP?
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH: (a) hydrobromic acid (HBr), (b) chlorous acid (HClO2), (c) benzoic acid (C6H5COOH)
If the same amount of heat energy is added to a beaker containing 100ml of ethanol and a beaker containing 100ml of water, which liquid experiences the greater rise in temp
A 1- flask is filled with 1.45 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.30 .What is the partial pressure of argon, , in the flask?
How many milliliters of a stock solution of 11.0 NHO3 would you have to use to prepare 0.320 of 0.350 NHO3
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
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