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- The average life expectancy in the United States is 78.7 years. Assuming there are 365.25 days in a year, how many ppb of this life does 1.00 minute reprresent?For many purposes we can treat ammonia (NH3 as an ideal gas at temperatures above its boiling point of-33. °C. Suppose the temperature of a sample of ammonia gas is raised from11.0 °C to 17.0 °C, and at the same time the pressure is changed. If the initial pressure was 4.9 atm and the volume increased by 60.0%, what is the final pressure? Round your answer to the correct number of significant digits. atm |x10 ? Submit Assignment Continue Terms of Use Prvacy 2019 McGraw-Hill Education. All Rights Reserved MacBook Pro DII FI2 OO0 O00 F10 F 9 F8 F7 F6 F5 F4 esc F3 F2 F1 % XA ¹H NMR spectrum is shown for a molecule with the molecular formula of C9H10O2. Draw the structure that best fits this data. 11 10 1H P 2H a 2H 7 2H 5 4 3 3H 1 ppm Q
- . Water has a density of 0.96 g mL- at its boiling point of 100 °C under standard atmo- spheric pressure. The density of water vapor is about 1600 times less than the density of water under the same conditions. If a 1.00 L beaker of water was converted into water vapor at 100 °C under standard atmospheric pressure, what would the volume (in L) of the water vapor be?A 3.00mol3.00mol sample of CO2(g)CO2(g) is in a rigid 6.00L6.00L container at 400.C∘400.C∘. What is the mass of the sample of CO2(g)CO2(g) ? Enter the number of grams to the nearest whole number.How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty water jug? A. 13B. 12.6C. 10D. 12
- Reso- Solid ammonium chloride, NH, CI, is formed by the reaction of gaseous ammonia, NH,, and hydrogen chloride, HCI. NH, (g)+HCI(g) NH,CI(s) A 3.12 g sample of NH, gas and a 3.12 g sample of HCI gas are mixed in a 0.50 L flask at 25 °C. Identify the limiting reagent. О НС NH,CI NH, How many grams of NH,CI will be formed by this reaction? mass: What is the pressure in atmospheres of the gas remaining in the flask? Ignore the volume of solid NH, CI produced by the reaction. P = atm O O O172hshdhdFor many purposes we can treat methane (CH) as an ideal gas at temperatures above its boiling point of -161. °C. Suppose the temperature of a sample of methane gas is raised from -24.0 °C to 18.0 °C, and at the same time the pressure is changed. If the initial pressure was 6.2 atm and the volume increased by 35.0%, what is the final pressure? Round your answer to 2 significant digits. | atm
- CPAP is the acronym for "Continuous Positive Airway Pressure". A CPAP device is used in respiratory therapy. Some ambulances carry a CPAP device. The pressure unit used in CPAP devices is "cm H2O". A typical pressure setting on a CPAP device may be 9 cm H2O. Blood pressure is commonly measured in units of mm Hg (or millimeters mercury). Which of the following statements is true regarding the pressure of 1 cm H2O ? Question 17 options: A) 1 in H2O has a lesser pressure than 1 cm H2O. B) 1 in H2O has a greater pressure than 1 cm H2O. C) 1 mm Hg has a lesser pressure than 1 cm H2O. D) None of the above answer choices are correct.A cylinder is filled with 10.0 L of gas and a piston is put into it. The initial pressure of the gas is measured to be 113. kPa. The piston is now pulled up, expanding the gas, until the gas has a final volume of 20.0 L. Calculate the final pressure of the gas. Be sure your answer haş the correct number of significant digits. piston cylinder gas olo Ar ||kPa x10X 13. During a chemical change 0/1 bubbles of gas form. What name is given to this process? * Precipitation Effervescence Vaporization DO Bubbling