Suppose you have 50.0 mL of a solution of HCl. You titrate it against a 0.1M solution of Ca(OH)2 and use 13.5 mL to reach the endpoint. What is the concentration of the unknown acid

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.