Chemistry, 22.05.2021 23:20 Random4422
A sample of N2 has a volume of 616 mL at 68 °C. What will be its volume at -17 °C?
Answers: 3
Chemistry, 22.06.2019 02:40
The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 23.06.2019 07:00
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
Chemistry, 23.06.2019 14:10
What is true according to the second law of thermodynamics
Answers: 1
A sample of N2 has a volume of 616 mL at 68 °C. What will be its volume at -17 °C?...
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