3 attempts left Check my work Enter your answer in the provided box. A sample of...
3 attempts left Check my work Check my work Enter your answer in the provided box. At 31°C a sample of ammonia gas exerts a pressure of 4.70 atm. What is the pressure when the volume of the gas is reduced to one-tenth (0.10) of the original value at the same temperature? atm
3 attempts left Check my work Enter your answer in the provided box. The pressure of 5.80 L of an ideal gas in a flexible container is decreased to one-third of its original pressure, and its absolute temperature is decreased by one-half. What is the final volume of the gas?
3 attempts left Check my work Enter your answer in the provided box. An ideal gas originally at 0.85 atm and 65°C was allowed to expand until its final volume, pressure, and temperature were 94 mL, 0.60 atm, and 49°C, respectively. What was its initial volume? mL
3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 80.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4 J/°C.) Book J/g °C Ferences
KQuestion 3 (of 12) 3. value: 10.00 points 3 attempts left Check my work Enter your answer in the provided box. At 46°C a sample of ammonia gas exerts a pressure of 3.01 atm. What is the pressure when the volume of the gas is reduced to one-fifth of the original value at the same temperature? atm eBook & Resources References
2 attempts left Check my work Enter your answer in the provided box. Hemoglobin is the protein that transports 0, through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules of O2. If 1.87 g of hemoglobin combines with 2.93 mL of O, at 37°C and 723 torr, what is the molar mass of hemoglobin? 10 g/mol (Enter your answer in scientific notation.)
3 attempts loft Check my work Enter your answer in the provided box. A sample of carbon monoxide occupies 9.31 L at 293.0 K and 752 torr. Find its volume at-41°C and 413 torr.
3 attempts left Check my work Enter your answer in the provided box. A 0.2123-g sample of a monoprotic acid neutralizes 25.6 mL of a 0.06903 M KOH solution. Calculate the molar mass of the acid. g/mol
3 attempts left Check my work Enter your answer in the provided box. What will be the final temperature of a 543-g sample of water, initially at 15.0°C, after 59.5 kJ have been added to it?
3 attempts left Check my work Enter your answer in the provided box. Calculate the density of helium in a helium balloon at 24.7°C. (Assume that the pressure inside the balloon is 1.01 atm.) g/ml