Impingement filters select one: a. are most effective at holding large particles on the fibres. o b. use the process of inertial impaction to remove particles o c. increase in effectiveness over time. o d. remove particles that are too large to pass through the gaps in the filter fibres. the rate of filtration is select one: o a. modified by boundary layer effects. b. increased with increasing viscosity of the fluid being filtered. c. decreased with increasing viscosity of the fluid being filtered. o d. independent of the viscosity of the fluid being filtered.
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The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
Impingement filters select one: a. are most effective at holding large particles on the fibres. o b...
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