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Problem- What is the mass in grams of 0.0015 mol of aspirin, C9H8O4? How many aspirin moleclues are there in this 0.0015 mol sample?
I want you to clarify the chemistry in the above problem
Write the anode half-reaction for the electrolysis of aqueous sodium chloride and sodium sulfate
How many grams of water are needed to dissolve 27.8 g of ammonium nitrate (NH4NO3) in order to prepare a 0.452 m solution
what mass of ethylene glycol hoch2ch2oh must be dissolved in 4.510 kg of water to result in a freezing point of
Based upon the intermolecular forces present, rank the following substances according to the expected boiling point for the substance. Rank from highest to lowest boiling point. To rank items as equivalent, overlap them. HCl, NaCl, N2, H2O
Explain why chemistry is such an important part of the study of Anatomy and Physiology. Please be sure to include specific examples of important chemical reactions as evidence of chemistry's importance to homeostasis.
A 0.75-L bottle is cleaned, dried, and closed in a room where the air is 22 degrees C and 44% relative humidity (that is, the water vapor in the air is 0.44 of the equilibrium vapor pressure at 22 degrees C). The bottle is brought outside and stor..
Use the Boltzmann equation to calculate the excited-state and ground-state population ratios for HCl: N(v=1)/N(v=0). The fundamental vibrational frequency of HCl occurs at 2885 cm-1.
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 49.1 g of 32P, how much 32P was present 7.00 days ago
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows: C5H5N + H2O C5H5NH+ + OH- The pKb of pyridine is 8.75. What is the pH of a 0..
How many fluoride atoms are in the tube of toothpaste? How many grams of sodium ion are in 2.10 toothpaste? How many molecules of triclosan are in the tube of toothpaste?
An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 29.7 g·L-1 at 25 °C. Its osmotic pressure was 0.184 ·102 Pa. Calculate the molar mass of the compound
calculate the wavelength of the photon emitted when an electron drops from 4d obital to a 2p orbital in a hydrogen atom using Rydberg constant as 1.097 x 10-2 pm-1 .
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