The valence of an element or radical is
a. less than the number of positive or negative...
Physics, 29.01.2020 16:02 erinleyanne
The valence of an element or radical is
a. less than the number of positive or negative charges on the ion.
b. greater than the number of positive or negative charges on the ion.
c. equal to the number of positive or negative charges on the ion.
d. not related to the number of positive or negative charges on the ion
Answers: 2
Physics, 22.06.2019 10:30
The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water
Answers: 2
Physics, 22.06.2019 19:20
Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
Physics, 23.06.2019 04:50
How does the motion of an airplane compare to the motion of a rocket ?
Answers: 1
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