Can someone me ? ? 41) the element chromium has four naturally occurring isotopes. use the relative abundance of each to calculate the average atomic mass of chromium. show your work. (3 points) 50cr = 4.34% 52cr = 83.79% 53cr = 9.50% 54cr = 2.37% 42) give the electron configuration for the chloride ion. (2 points) 43) what is the percent by mass of hydrogen in aspirin, c9h8o4? (2 points) 44) complete and balance the following equation: cd(no3)2 + nh4cl (2 points)
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Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 12:30
Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d
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Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
Can someone me ? ? 41) the element chromium has four naturally occurring isotopes. use the relative...
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