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The following reaction has achieved equilibrium. Predict the effect on the formation of phosphorus pentachloride (increase, decrease, or no effect) for the stated changes to the system:
PCl5(g) <--> PCl3(g) + Cl2(g)
a) the concentration of the phosphorous trichloride is increase
b) the concentration of chlorine is increase
c) The volume of the container in which the reaction is taking place is suddenly made smaller
d) the pressure of the system is increased by adding one atmosphere of gaseous nitrogen to the container
The J.O. supplies company buys calculators the probability of a defective calculator is 10%. If 100 calculators are selected at random, what is the expected number of defective?
an outbreak of the deadly ebola virus in 2002 and 2003 killed 91 of the 95 gorillas in 7 home ranges in the congo. to
hurricane katrina forced insurance companies to examine policy rates and originally determined that the average claim
the gotham city police have just received three calls for police. five cars are available. the distance in city blocks
The Law of Increasing Entropy is an impenetrable barrier which no evolutionary mechanism yet suggested has ever been able to overcome. Evolution and entropy are opposing and mutually exclusive concepts. If the entropy principle is really a univers..
Use a bar chart to display the increase in the number of family practice physicians from 1990 to 2002. Calculate the percent of office-based physicians who are family practice physicians and then display this data in a bar chart.
an investigator is interested in the posibility of merging the capabilities of television and the internet. a random
For the following statement, write the null hypothesis and the alternative hypothesis. Then, label the one that is the claim being made.
Consider Obama's health care plan. There are = #s of males and females. 50% of the females approve (A) of the plan and 70% of the males do not approve (N) of the plan.
This correlation was judged to be statistically significant. In your own words, what can you say about the nature of the relationship?
Construct a graph of the probability distribution of X. What is the probability that a child receives exactly three diagnostic services during and office visit to a pediatric specialist?
1.a forester wishes to predict the volume in cubic feet of usable lumber in a certain species of tree using the height
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