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Question- The flask shown here contains 0.884 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.310 M NaOH.
Determine the solution for the above problem express your work in detail
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill
What is the heat change in J associated with 37 g of gaseous methanol at 89 oC changing to liquid at -64 oC?
If 0.500 mol of CaCl2 is mixed with 0.200 mol Na3PO4, the maximum amount in moles of Ca3(PO4)2 that can be formed is:
A sample of argon gas collected at a pressure of 761 mm Hg and a temperature of 283 K has a mass of 32.2 grams. The volume of the sample is. answer in L please.
The heat of vaporization of a substance is 2800 J/g at its boiling point of 219 degree C. How much of this substance can be vaporized if 62800 J energy are available?
The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.
The standard enthalpies of formation of CO2 (g) and H2O (l) are, respectively, -393.51 and -285.83 kJ/mole. Evaluate the ΔHf°for sucrose from the standard enthalpies of formation for CO2 (g) and H2O (l). State the balanced equations representing t..
the reaction n2g 3 h2g ? 2 nh3g is at equilibrium in a reaction chamber. if an experimenter injects a small amount of
The solubility of a compound is 59g per 100ml of boiling methanol and 30g per 100ml of cold methanol, whereas its solubility in water is 7.2g per 100ml at 95°C and 0.22g per 100ml at 2°C. Which solvent would be better for the recrystallization of ..
Your are given a white substance that sublimes at 3000 degrees celsius, the solid is a non conductor of electricity and insoluble in water. What type of solid might this substance be? molecular, covalent-network, ionic, or metallic
Calculate brightness of a wavelength undergoing Rayleigh scattering.
Outline a detailed scheme utilizing extractions that he can use to separate the mixture back into the pure components before the professor finds out.
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