Chemistry, 13.04.2021 02:20 shawnamiller31412
(06.04 MC)
A gas has a volume of 27.5 L at 302 K and 0.580 atm. How many moles are in the sample of gas? (3
points)
0.0401 mol
0.644 mol
1.55 mol
O 2.14 mol
Answers: 3
Chemistry, 21.06.2019 15:00
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
Answers: 1
Chemistry, 21.06.2019 20:10
Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.
Answers: 2
Chemistry, 21.06.2019 21:30
Which substances have the lowest melting points: ionic covalent, or metallic
Answers: 1
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
(06.04 MC)
A gas has a volume of 27.5 L at 302 K and 0.580 atm. How many moles are in the sample of...
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