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In the decomposition of hydrogen peroxide, the percentage yield of oxygen is 93%. What is the actual yield in grams of oxygen if you start with 100 grams of H2O2? The reaction proceeds according to the equation 2H2O2(l)=2H2o(l)+O2(g).
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What was the initial energy level of an electron if it was excited by a photon of wavelength 38.9µm and jumped to an energy level of 10?
Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...
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C-14 analysis of the Shroud of Turin has shown that approximately 93% of the 14C present in living matter is still present in samples taken from the shroud. Based on this information, what is the approximate age of this ...
Consider the following questions: (a) What is the total volume of the CO2(g) and H2O(g) at 600 °C and 0.888 atm produced by the combustion of 1.00L of 2H6(g) measured at STP? (b) What is the partial pressure of H2O in th ...
For the reaction 2CH4(g)?C2H2(g)+3H2(g) K = 0.170 at 1725 °C. What is K p for the reaction at this temperature? Express your answer numerically. For the reaction N2(g)+3H2(g)?2NH3(g) K p= 3.95×10 -3 at 325 °C . What i ...
What is an example of a cell diagram for a voltaic cell? How do I calculate the standard cell potential for the example of the voltaic cell?
The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.
At rest, a person inhales 9.72*10^21 nitrogen molecules in an average breath of air. How many mole of nitrogen atoms are inhaled? (Hint: in air, nitrogen occurs as a diatomic molecule)
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