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The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is: Br2(g) + F2(g) ? 2 BrF(g) What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.113 moles/liter in a sealed container and no product was present initially?
What is the volume of 135 mL of oxygen gas at 113°C and 870. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
If you start with 3.50g of aluminum, 1.5mL of 1.4M potassium hydroxide and 25.0mL of 9M sulfuric acid (with excess water), what is the limiting reactant?
the rate of disappearance of HBr in the gas phase reaction 2HBr(g)-->H29(g)+Br2(g)is .301 at 150 degrees celsius. what is the rate of appearance of Br2?
What mass of this substance must evaporate in order to freeze 150g of water initially at 15C? (The heat of fusion of water is 334J/g the specific heat of water is 4.18J/g*K.)
Calculate Ea. Express your answer using two significant figures Ea= kJ/mol Calculate A. Express your answer using one significant figure. A = M-1s-1
Which of the following solids is a covalent network? 1. H2O(s) 2. CaCO3(s) 3. Ni(s) 4. SiO2(s)
Calculate the 1) mls of 15M Acetic acid 2) the grams of sodium acetate 3) and the mls of water required to make a 500mM acetate buffer at pH 4.85
What would the potential of the iron solution be if it were measured with respect to a saturated silver/silver chloride electrode. With respect to the standard hydrogen electrode
What is the difference between a hypothesis and a theory? a hypothesis is a proposal that has been tested extensively, whereas a theory is an initialy stated proposal a hypothesis is a conclusion made after a theory was tested words hypothesis
Assuming that N2 obeys the Van der Waal's equation, determine the Boyle temperature of 1 mol of N2 and determine the percent error in the answer knowing that the experimental value of the Boyle temperature
determine how many grams of potassium sulfate can be formed from 150.0 grams of potassium hydroxide with sufficient
Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg
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