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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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A 0.566 g sample of a metal, M, reacts completely with sulfuric acid according to
M(s) + H₂SO4 (aq) → MSO₂(aq) + H₂(g)
A volume of 257 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level.
Atmospheric pressure is 756.0 Torr, and the temperature is 25 °C. The vapor pressure of water at 25 °C is 23.8 Torr. Calculate
the molar mass of the metal."
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A 0.566 g sample of a metal, M, reacts completely with sulfuric acid according to
M(s) + H₂SO4 (aq) → MSO₂(aq) + H₂(g)
A volume of 257 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level.
Atmospheric pressure is 756.0 Torr, and the temperature is 25 °C. The vapor pressure of water at 25 °C is 23.8 Torr. Calculate
the molar mass of the metal.
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- What is the temperature in K of 0.500 mole of neon in a 2.00L vessel at 4.32 bar? R = 0.08314 L· bar/mol·K.arrow_forwardA 0.483 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H,SO,(aq) MSO, (aq) + H, (g) A volume of 209 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr, and the temperature is 25 °C. The vapor pressure of water at 25 °C is 23.8 Torr. Calculate the molar mass of the metal. molar mass: g/molarrow_forwardGive typed solution onlyarrow_forward
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- Enter your answer in the provided box. A piece of sodium metal reacts completely with water as follows: 2 Na(s)+2H2O(l)->2NaOH(aq)+H2(g)The hydrogen gas generated is collected over water at 23.0\ deg C. The volume of the gas is 291 mL measured at 0.965 atm. Calculate the number of grams of sodium used in the reaction. (The vapor pressure of water at 23.0\deg C=0.027 atm.)arrow_forwardUse your text or other reference to find the partial pressure of water at 25°C, 26°C, and 27°C and record those values.arrow_forwardQ6) A liquid is placed into a sealed vial and set on the benchtop to equilibrate at room temperature (25.0° C), and the vapor pressure is measured to be 400. torr. The flask is then heated to 42.0° C, with a new vapor pressure being measured to be 760. torr. What is the enthalpy of vaporization (in kJ/mol) for the liquid? a) 26.3 kJ/mol b) 29.5 kJ/mol c) 330 kJ/mol d) 0.98 kJ/molarrow_forward
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