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Chemistry, 22.06.2019 03:50
What is the temperature of one mole of helium gas at stp?
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
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Chemistry, 22.06.2019 16:00
No copying 15 pts how does a free-body diagram tell you about the net force on an object?
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The temperature in the stratosphere is -19.6°C. Calculate the root mean square
velocity of nitrogen...
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