The dimmer star in a two-star system passes in front of the brighter star. Which phenomenon does this describe ?

-nebular cluster

-global cluster

-wobbling binary

-eclipsing binary

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s

When a wire with a current is placed in a magnetic field, electrical energy is transformed into mechanical energy select the best answer from the choices provided t f