Show that 63/512 is the probability that the fifth head is observed on the tenth

Introductory Chemistry 5
Write a balanced chemical equation for the reaction of gaseous nitrogen dioxide with hydrogen gas to form gaseous ammonia and liquid water.

Principles of General Chemistry 2
Consider the following reaction energy \(diagram\): (a) How many elementary steps are in the reaction mechanism? (b) Which step is rate limiting? (c) Is the overall reaction exothermic or endothermic? Equation Transcription: Text Transcription: diagram

Chemistry 11
The men's world record for running a mile outdoors (as of 1999) is 3 min 43.13 s. At this rate, how long would it take to run a 1500-m race? (1 mi = 1609 m.)

Myers' Psychology for AP 2
Which of the following represents drug tolerance? a. Hans has grown to accept the fact that his wife likes to have a beer with her dinner, even though he personally does not approve of the use of alcohol. b. Jose often wakes up with a headache that lasts until he has his morning cup of coffee. c. Pie

Myers' Psychology for AP 2
Heritability relates to the a. percentage of a persons intelligence that is due to environmental influences. b. percentage of a persons intelligence that is due to genetics. c. correlation of intelligence test scores among family members. d. extent to which variability among individuals intelligence

Biology 8
Which process in the nephron is least selective? a. filtration d. secretion b. reabsorption e. salt pumping by the loop of Henle c. active transport

Concepts of Biology 1
Protists with the capabilities to absorb nutrients from dead organisms are called_____________. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophs

Plant Systematics 3
What is systematics and what is its primary emphasis?