What is heat of vaporization?
a.
it is the heat required to change a substance’s temp...
Chemistry, 18.01.2020 06:31 shanicar33500
What is heat of vaporization?
a.
it is the heat required to change a substance’s temperature by 1°c.
b.
it is the heat required to change a gram of substance from a solid to a liquid.
c.
it is the heat required to change a substance from a solid directly to a gas.
d.
it is the heat required to change a gram of substance from a liquid to a gas.
e.
it is the heat required to separate one substance into two substances.
Answers: 3
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Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.
Answers: 1
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What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
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Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
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