Calculate the constant of calorimeter when 25 ml of sulfuric acid was tittered with NaOH (2N) and 10 ml was needed to complete the reaction, if you now that AT is 8 °C and the volume of calorimeter is 150 ml.

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

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