Hydrochloric acid is neutralized by calcium hydroxide according to the following reaction: Ca(OH)2 (aq) + 2 HCl (aq) → CaCl2(aq) + 2 H20 (1)
What is the concentration of a calcium hydroxide solution if 15.0 mL are exactly neutralized by 10.00 mL of 0.250 M HCl solution?

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)

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?