Calcium hydroxide is used as a soil conditioner in home gardens. when mixed with water, it releases hydroxide ions. which of the following is the most likely ph for a solution of calcium hydroxide and water. a) 1 b.)3 c.) 7 d.) 10

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Ineed the answer to question 1 , i’m desperate