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An ink cartridge for my printer costs $32 and contains 0.500 ounces of ink. What is the cost of this ink in cents per gram?
Note: 1 ounce = 0.0283 kg
Obviously occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.21% abundance), X-29 (28.976 amu, 4.70% abundance), and X-30 (29.974 amu, 3.09% abundance). Compute the atomic weight of X
Devise a chemical method for distinguishing between maleic and malonic acid. I thought of bromination of maleic since it is an alkene. Would bromination also occure with malonic acid
What are the two metal strips in the Daniells cell and what is used to connect the two containers of the Daniell's cell?
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion, [Fe(H2O)4(Cl)2]+?
An unknown gas X effuses 1.65 times faster than C3H8. What is the molecular mass of gas X?
Phosgene (COCl2) was used as a poison gas in World War I. Give the product that would be formed from the reaction of phosgene with the following reagent
Identify the conjugate base of HSO4 - in the reaction H2PO4- + HSO4- ? H3PO4 + SO42- A) H2PO4- B) H2SO4 C) H2O D) H3PO4 E) SO42-
What is the formula of the compound formed by strontium (Sr) and iodine (I)? Answer a. Sr2I b. SrI2 c. SrI d. no correlation between radium and strontium
calculate the heat in joules released by the dissolving salt. Assume that the specific heat of the solution is the same as thar of pure water(4.184J/g- celcius) and that the calorimeter is perfect.
A 12.5% by mass solution of sodium chloride (NaCl) in water has a density of 1.115 g/mL at 20 degrees C. What is the molarity of this solution
If an aqueous solution of certain organic compound has a density of 1.063g/mL, an osmotic pressure of 12.16atm at 25o C, and a freezing point of -1.03 o C. The compound is known not to dissociate in water. Explain what is the molar mass of the com..
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