The pressure inside a particular bottle of gas
The pressure inside a particular 5.00 L bottle of gas must be 1 atm or less in order to open the bottle cap. To what temperature, in oC, must a bottle of gas be cooled so that the bottle cap can be removed if at 25.0oC the pressure is 2070 mm Hg.
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A beam of 632.8 nm photons from a He-Ne laser strikes a detector area of 5.0 mm2. The laser has a flux of 3.18 x 1015 photons s-1. (a) What is the laser radiant power in watts?
How many moles of permanganic acid could be produced if 0.9240 moles of manganese(II) oxide, 2.280 moles of lead(IV) oxide, and 2.009 moles of nitric acid are combined and react to completion?
A 33.00 sample of an unknown solution is titrated with a 0.110 solution. The equivalence point is reached when 28.38 of solution is added. What is the concentration of the unknown H3PO4 solution?
Determine the theoretical yield if a 125.0g sample of zinc was used. Determine the percent yield if 515.6 g product is recovered.
If a diamond is made out of pure carbon and has a density of 3.52 g/cm3, how large would a mole of carbon atoms (in diamond form) be in cm3? Compare this volume to the amount of volume that 1 mole of water occupies.
What is the enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C? The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K and 1.84 J/g-K respectively. For H2O, Hfus = 6.01 kJ/mol, and Hvap= 40.67 kJ/mol.
How many grams of the compound in excess remains after complete reaction?
a mixture of three gases has a total of 756 mm Hg. If the pressure of nitrogen is 612 mm Hg and the pressure oxygen if 100 mm Hg, what is the pressure of the carbon dioxide gas in the mixture?
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A 68-year-old man who is obese and has a history of previous stroke with mild residual, left-sided hemiparesis was left at home for "few hours" by his relatives
Which statement BEST describes a benefit of online communities? Which statement BEST describes a benefit of online communities?
A client had a 10.2 hemoglobin on admission to labor and delivery. 2 hours after delivery she calls for the nurse to accompany the bathroom?
Which of the following strategies might help Monica get on track and stay on track with healthy weight loss? Question options:
(P) Adult patients with Type 2 Diabetes (I) Taking Metformin medication (C) Compared to not taking metformin but sticking to regular exercise
What is Enuresis? Group of answer choices Without known cause a client regurgitates a bolus of food from the stomach and eats it again.
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