55. What is the density (in g/L) of hydrogen gas at 20.0 °C and a pressure...
55. What is the density (in g/L) of hydrogen gas at 20.0 °C an pressure of 1655 psi? MISSED THIS? Read Section 6.5; Watch IWE 6.7 FLIT DOQKWWhat is
71. Consider the chemical reaction: C(s) + H2O(g) →→ CO(g) + H2(g) How many liters of hydrogen gas are formed from the complete reaction of 15.7 g C? Assume that the hydrogen gas is collected at a pressure of 1.0 atm and a temperature of 355 K. MISSED THIS? Read Section 6.7; Watch IWE 6.12
what is the density ( in g/L) of hydrogen gas at 29 degrees C and a pressure of 1660 psi?
IC PICUICUI I BUJ (1115 ) 57. A 248-ml gas sample has a mass of 0.433 g at a pressure of 745 mmHg and a temperature of 28 °C. What is the molar mass of the gas? MISSED THIS? Read Section 6.5; Watch IWE 6.8 ample has a mass of 0.171 g at a pressure of
65. A gas mixture contains 1.25 g N2 and 0.85 g 02 in a 1.55 L con tainer at 18 °C. Calculate the mole fraction and partial pressur of each component in the gas mixture. MISSED THIS? Read Section 6.6; Watch KCV 6.6, IWE 6.10
A sample of hydrogen gas has a density of g/L at a pressure of 0.589 atm and a temperature of 54 °C. Assume ideal behavior.
A sample of hydrogen gas has a density of _____ g/L at a pressure of 0.581 atm and a temperature of 39 degrees Celsius. Assume ideal behavior.
Hydrogen gas has a density of 0.090 g/L, and at normal pressure and -0.268 Celsius one mole of it takes up 22.4 L. How would you calculate the moles in 930. g of hydrogen gas? Just leave your answer as a math expression.
23. What is the molarity of NO3-in each solution? MISSED THIS? Read Sections 5.2, 5.4; Watch KCV 5.2, IWE 5.1 a. 0.150 M KNO3 25. How many moles of KCl are contained in each solution? MISSED THIS? Read Section 5.2; Watch KCV 5.2, IWE 5.2 a. 0.556 L of a 2.3 M KCl solution 27. A laboratory procedure calls for making 400.0 mL of a 1.1 M NaNO3 solution. What mass of NaNO3 (in g) is needed? MISSED THIS? Read...
What is the density (in g/L) of nitogen gas at 38.2 °C and 25.6 psi?