Physics, 01.12.2021 02:50 notearslefttocry14
QUESTION 31
Sample X has 10 protons, 11 neutrons and 10 electrons. Sample Y has 12 protons, 12 neutrons and 12 electrons.
Are these two samples isotopes of one another? Explain how you know.
Are either of these two samples ions? Which one(s)? Explain how you know.
Answers: 1
Physics, 21.06.2019 14:40, mt137896
Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
Answers: 2
Physics, 22.06.2019 17:00, cwibs
Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c. what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?
Answers: 1
QUESTION 31
Sample X has 10 protons, 11 neutrons and 10 electrons. Sample Y has 12 protons, 12 neu...
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