Seabrook and Toews each had one assist apiece for the Blackhawks, who never trailed while improving to 12-0-3 to start the season.
Chicago's 27 points are four better than second-place Anaheim in the Western Conference standings and five better than Eastern Conference leader Pittsburgh.
Ray Emery turned aside 25-of-27 shots for the Blackhawks.
Jonathan Quick made 34 saves for Los Angeles, which saw its two-game winning streak snapped.
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ANAHEIM, Calif., May 25 (UPI) --Disneyland and California Adventure Park in Anaheim kicked off its summer season by staying open for 24 hours straight, park officials said.
COLOGNE, Germany, May 25 (UPI) --An Apple-1 computer, which sold for $666 when it debuted in 1976, sold for a record $671,400 Saturday at auction in German, the auctioneer said.