What is the mass of 4.5 x 10^22 molecules of hydrogen peroxide H2O2
2.54 g
3.2 g
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Chemistry, 03.07.2020 23:01 vanessa7714102010
What is the mass of 4.5 x 10^22 molecules of hydrogen peroxide H2O2
2.54 g
3.2 g
1.78 g
4.61 g
Answers: 3
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During which time interval does the object travel approximately 10 meters
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24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
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Determine the reaction and balance the following equations urgent due in the morning
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Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.
Answers: 1
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