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Diphosphorus pentoxide(3.54g) has reacted with ferric oxide(5.45g).What is/are the mass/masses of the product/s obtained per reaction assuming 100%yield?
In a lab experiment demonstrating Beer's law, the absorbance of a 0.15 M sample of solution A was 0.750 at the wavelength of maximum absorbance. What is the molar absorptivity (extinction coefficient) if the path length is 1 cm
There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
Consider the following reaction at constant P. Use the information here to determine the value of ?Ssurr at 355 K. Predict whether or not this reaction
A sytringe contains 589 mL of CO at 325K and 1.2 atm pressure. A second sytringe contains 473mL of n2 at 298K and 2.6atm. What is the final pressure if the contents of tese two syringes are injected into a 1.00L container at STP
what the volume of 0.109m HNO3 that is required to reat completely with 2.5g Barium hydroxide
A child discovered that her coin is missing and there is a hole in her pocket. She turned back and walked 24m east along the sidewalk. Then, she stopped for 18s and decided to head back to school.
The pH difference across the membrane of a glass electrode is 3.83. How much voltage is generated by the pH gradient at 25 degrees Celsius and 37 degrees Celsius
Using the following data, calculate the V/T ratios and determine if Charles'Law is obeyed (verified). Volume hot dry air - 137.0 ml Volume water drawn into flask - 32.0 ml Temp. boiling water - 99.5 oC Temp.
The first ionization energy of bismuth is Ei1=+703 KJ/mole. What is the longest possible wavelenghth of light that could ionize an atom of bismuth?
Calculate the mean free path and the binary number of collisions per liter per second between HI molecules at 300 K and 1.00 atm. The collision diameter of the HI molecules may be taken to be 5.10 A. Assume ideal-gas behavior.
in the course of research a chemist isolates a new compound with an empirical formula c3h3o2. 2.51 g of the compound
when a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter the
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