Engineering Board Exam Reviewer · Chemistry · medium
If doubling the concentration of a reactant doubles the reaction rate, the reaction is:
- Zero order
- Second order
- First order with respect to that reactant
- Third order
Answer
C. First order with respect to that reactant
Solution
Rate [A]1. For second order, doubling [A] quadruples the rate.
More Chemistry questions
- A first-order reaction has a rate constant of 0.0231 min-1. What is its half-life?
- For a first-order reaction, the half-life:
- The K sp of AgCl is 1.8 × 10-10. What is its molar solubility in pure water?
- The molar solubility of a salt MX2 is 1 × 10-4 M. What is its K sp?
- At equilibrium for N2 + 3 H2 2 NH3, the concentrations are [ N2] = 0.2 M, [ H2] = 0.6 M and [ NH3] = 0.4 M. What is Kc?
- Adding a catalyst to a reaction at equilibrium:
- For the exothermic reaction N2 + 3 H2 2 NH3, increasing the temperature will:
- For the reaction N2(g) + 3 H2(g) 2 NH3(g) (exothermic), increasing the pressure will:
- At 25 °C, the ion product of water Kw is:
- 50 mL of 0.1 M HCl is mixed with 30 mL of 0.1 M NaOH. What is the pH of the resulting solution?