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Which colligative property explains why antifreeze is added to car radiators?  A. Boiling point depression  B. Freezing point depression  C. Surface tension increase  D. Density increase

The scattering of light by colloidal particles is called the:  A. Brownian effect  B. Tyndall effect  C. Doppler effect  D. Photoelectric effect

Which of the following includes the correct stress markers for the following word: football

thoughtful

Why does table salt dissolve in water?A. Salt melts in water B. Water molecules attract and surround salt ions C. Salt reacts chemically with water D. Water becomes a solid

Which syllable has tertiary stress in “bronchitis?”

Use the research scenario below to answer the remaining questions: Researchers developed a drug that should stimulate the feeding center in animals to cause them to put on more weight quickly. It’s called TR6-1, and 50 pigs were given the drug. Another 50 received a placebo. After a year the treatment group was much heavier but resorted to cannibalism a lot more, which actually reduced yields. What is the dependent variable?

A solution is prepared by dissolving 18.0 g of glucose (C₆H₁₂O₆, M = 180 g/mol) in 500 g of water. Given: KfK_f​ for water = 1.86 °C·kg/molWhat is the freezing point of the solution?A. −0.186 °C B. −0.372 °C C. −1.86 °C D. +0.186 °C

This is the reflex that helps you stay balanced when one foot is lifted.