For the gas phase decomposition of phosphine at 120 °C, the rate of the reaction is determined by measuring the disappearance of PH3. 4 PH3(g)--->P4(g) + 6 H2(g) At the beginning of the reaction, the concentration of PH3 is 2.44×10-2 M. After 84.0 s the concentration has dropped to 5.38×10-3 M. What is the rate of the reaction? ______ (mol PH3/L) /s For the gas phase decomposition of hydrogen iodide at 700 K , the rate of the reaction is determined by measuring the appearance of H2 . 2 HI --->H2 + I2 At the beginning of the reaction, the concentration of H2 is 0 M. After 18.3 min the concentration has increased to 0.376 M.
For the gas phase decomposition of phosphine at 120 °C, the
4 PH3(g)--->P4(g) + 6 H2(g)
At the beginning of the reaction, the concentration of PH3 is 2.44×10-2 M. After 84.0 s the concentration has dropped to 5.38×10-3 M.
What is the rate of the reaction? ______ (mol PH3/L) /s
For the gas phase decomposition of hydrogen iodide at 700 K , the rate of the reaction is determined by measuring the appearance of H2 .
2 HI --->H2 + I2
At the beginning of the reaction, the concentration of H2 is 0 M. After 18.3 min the concentration has increased to 0.376 M.
What is the rate of the reaction? ___ (mol H2 /L) / min
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