What is the formula for calcium hydroxide

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form