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Calculate the molar mass of a gas if 4.40g occupies 260L at room temperature and pressure. Identify the gas given that it it is an organic oxide.
Describe the roles, responsibilities, and accountabilities of information technology personnel and evaluate why this is important in the healthcare field.
What is oxidation state? How can find out the oxidation state of particular element? Explain its trend in the group and period, give reasons
Molecular weight and mole concept : key informaiton, If Aluminum Chloride reacts with Copper II Carbonate and 0.25 moles of Aluminum Chloride are used, how much Copper II
what would happen to the pressure inside the container if you decrease the temperature to one fourth the original
The mobile phase used in High Performance Liquid Chromatography (HPLC) of Analysis of Steroids, was a 50/50 mixture of water and acetonitrile
How many grams of Mg(OH)2 will be needed to neutralize 25 mL of stomach acid, if stomach acid is 0.10 M HCl? Hint: write out the balanced equation to start. Include units and the appropriate number of significant figures in your answer.
A gaseous mixture of O2 and N2 contains 40.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 625 mmHg ? Express you answer numerically in millimeters of mercury.
Ammonia, NH3, is industrially produced from N2 and H2 using the Haber process. How much ammonia can be produced from 28 kg of nitrogen and 2 kg of hydrogen, assuming the reaction yield is 90%?
In determining the BOD of a water sample it was found that the DO level was 9.3ppm before incubation and 6.7ppm after five days of incubation. Explain what is the BOD of this sample
Draw the skeletal structure of the major organic product formed inthe reaction below when the second step is heated to reflux.
If there's a mixture of O2 and N2, and the mol of N2 is 0.605 mol, and fraction (f) of O2 is 0.251; then, what is the mol of O2?
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -6542 K. Calculate the activation energy for the reaction.
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