50 kg of water at 75o C is cooled to 25o C. How much heat was given off? a
1.05 x 105 J

b
-1.05 x 107 J

c
1.67 x 105 J

d
-1.67 x 107 J

Six solutions are made, each with a y concentration of 1.0 μm and varying concentrations of ab as shown below. based on the concentrations, rank the solutions in decreasing order of reaction rate.

If forces acting on an object are unbalanced. true or false

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you