Which is a base?

1) substance c is formed from the reaction of an acid and a base.

2) substance a gives off h+ ions that combine with oh– ions when dissolved in water.

3) substance b gives off oh– ions that combine with h+ ions when dissolved in water.

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s

8. what is the orbital gravitational force of jupiter? how much stronger is this force than venus?

A150 liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c without change the temperature a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres the volume of the gas