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Exactly one milliliter of Palmatic-B acid is thrown into a lake. The solution is is undiluted. It spreads out into a diameter of 22.56 meters. Determine the length of a Palmatic-B acid molecule in angstroms.
Give a step by step mechanism for the reaction of the following: a. salicylic acid with acetic anhydride/ phosphoric acid b. salicylic acid with methanol/hydrochloric acid
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chips products for the packaging label.
when 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?"
estimate the ratio of their conductivities at room temperature
Which one of the following is not a redox reaction?
When 3.41 g of P4 is burned, 86.1 kJ of thermal energy is evolved at constant pressure. What is the molar enthalpy of combustion of P4?
Match each item in Column A with the corresponding item in Column B regarding the processes of nitrification and denitrification: Column A Column B a. NH4+ i. Electron acceptor for denitrification
Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals: (a) CO2 (b) B12 (c) S8 (d) KBr (e) Mg (f) SiO2 (g) LiCl (h) Cr
Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
Find the mass of urea needed to prepare 49.5 of a solution in water in which the mole fraction of urea is 7.51×10?2
How many moles of CH_3_COOH are present in the beaker? What is the concentration of acetic acid?
A 494 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 753 torr. If the pressure of water vapor is 24.0 torr at 25.0°C, what mass of hydrogen gas (g) was collected? Do not enter units with your answer.
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