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Diffusion is…

Which of the following represents the freezing of water? H2O(s) –> H2O(l) + energy energy + H2O(s) –> H2O(l) H2O(l) –> H2O(s) + energy energy + H2O(l) –> H2O(s)

A car with a mass of 1500 kg is moving at a velocity of 20 m/s. a) Calculate the momentum of the car. b) A 0.1 kg baseball is thrown with a velocity of 30 m/s directly towards the oncoming car from part a. Calculate the momentum of the baseball prior to the collision. c) The baseball crashes through the windshield and stays inside of the car. By how much is the car slowed down by the collision with the baseball?  

Congestive heart failure results in which of the following? 

Your breathing rate is 14 breaths/minute; spirometric measurements reveal your tidal volume is 500 mL; your inspiratory reserve volume is 3000 mL; and your expiratory reserve volume is 1,200 mL. Your vital capacity is ________ mL. 

Each hemoglobin molecule can transport up to ________ oxygen molecules. 

You are doing a research project on the percentage of graduating High School Seniors in Santa Clarita that plan to attend college in the next coming year. You cannot ask every graduating Senior so you decide to take a sample. Explain how you would get your sample using each of the following sampling methods.  Also indicate if your method would represent the population and explain why it will or why it will not.   a) Cluster Sampling Method

The following boxplot, histogram and summary statistics were found using Statcrunch.  The data set gives the fiber content in grams of one serving for randomly chosen boxes of cereal. Use the graph and statistics to analyze the data set and answer the following questions.  b) What is the shape of the distribution?

The following boxplot, histogram and summary statistics were found using Statcrunch.  The data set gives the fiber content in grams of one serving for randomly chosen boxes of cereal. Use the graph and statistics to analyze the data set and answer the following questions.  c) What is the Name of the best measure of Center?

The following boxplot, histogram and summary statistics were found using Statcrunch.  The data set gives the fiber content in grams of one serving for randomly chosen boxes of cereal. Use the graph and statistics to analyze the data set and answer the following questions.  e) What is the Name of the best measure of Spread?