Chemistry, 11.03.2020 23:11 vdkgknsdg9996
You have to do your chemistry homework, but you hate looking up elements on the periodic table! Write a program that takes the name of an element (as a string, independent of case) from standard input and prints a double representing its atomic weight to standard output. Only implement the program for the first three elements, hydrogen, helium, and lithium, which have the respective atomic weights 1.008, 4.0026, and 6.94. If anything else is given as input, print the statement "Sorry, I don't recognize that element!"
Answers: 3
Chemistry, 22.06.2019 06:00
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
You have to do your chemistry homework, but you hate looking up elements on the periodic table! Writ...
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