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Determine How many moles of Fe3O4 could be formed if 9.00 mol iron react with 12.00 mol Oxygen?
Determine How many grams of methane is required to form 45.5g CHcl3?
Predict the first excited state if The electron configuration for the ground state of Cr is 1s^22s^22p^63s^23p^63d^54s^1. . and explain your reasoning
imagine you are a water molecule, describe your travels through the many you have been and might go in the future as you make your way around the hydrologic cycle time after time. Include travels through organisms.
Can you please help me identify an acid from a base. What are the steps in identifying it by looking at a molecule. For example why is TiCl4 considered an acid
calculate the difference in mass that is hold by a 500.0mL flask at a temperature of 0.0°C from that at temperature of 20.0 °C? (you can assume the volume of the sample at 0.0 °C temperature =volume of the sample at 20.0°C)
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
Calculate the millimoles of copper (II) sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
It is the universal solvent d. it does not participate in the reaction e. it is necessary for the formation of the bromonium ion
Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.50 that of new wood. How old is the charcoal? (The half life of carbon-14 is 5,730 years.)
What is the initial pH of this buffer? 2. What is the pH of the buffer in question
Ethanol normally boils at 78.4C. the boiling point elevation constant for ethanol is 1.22C/m. what is the boiling point of a 1.0 m solution
How many grams of ammonium sulfate can be produced in 30 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq)+H2SO4(aq)-->(NH4)2SO4(aq)?
Raidum-226 (atomic mass=226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life of 1.6 x 10^3 year. What volume of radon gas a (25 degrees C and 1.0 atm) is produced by 1.0 g of radium in 5.0 days
calculate the molarities of solutions that contain the following masses of solute in the indicated volumes a 25.8 g of
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