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what was the The purpose of Roosevelt’s speech to Congress
(20 points) KWIC is an acronym for ”Key Word In Context”. This is the most common format for
concordance indexes in documents. It is also the starting point for most spelling and grammar checkers
in word processors. You will use the classes in the C++ Standard Library to write a program that
creates such an index for text read from the standard input.
Begin by writing a C++ function that has a single argument: a string containing a file name and
returns a reference to a list of stings. Open the file and then read each word in the text file into a
C++ STL list of strings. Return
A person plugged in a 1250 W hair dryer and a 2500 W electric heater in the same 120 V outlet
protected by a 7.5 A circuit breaker. Will the breaker trip?
A cell has a terminal voltage of 50.0 V for a current of 10.0 A and 54 V for a current of 6.0 A. Find the electromotive force and internal resistance of the cell.
Jar A contains one white and two black balls, jar B contains five white and two black balls, and jar C contains four white and two black balls. One ball is selected from each jar. What is the probability that the ball chosen from jar B will be white, given that exactly two black balls are selected?
Show you work.
What is the electron configuration, noble gas configuration, and orbital diagram of potassium?
What is the electron configuration, noble gas configuration, and orbital diagram of chlorine?
What is the electron configuration, noble gas configuration, and orbital diagram of phosphorous?
A group of students got the following scores in a test: 6, 11, 22, 17, 18, and 21. Consider samples of size 3 that can be drawn from this population.
List all the possible samples and the corresponding mean.
Construct the sampling distribution of the sample means.
6NaNO3 + Al2O3 → 2Al(NO3)3 + 3Na2O
If 82.1g NaNO3 reacts with 100g Al2O3, what is the limiting reactant?
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