1. Using a glass syringe, a scientist draws exactly 25.5 cm of dry oxygen at 20.0 C trom a metal cylinder. She needs to heat the oxygen for an experiment, so she places the syringe in an oven at 65.0 C and leaves it there for 30 min. Assuming the atmospheric pressure remains the same, what volume will the oxygen occupy? 2. The a volume of 350 mL. If the can is left in a car that reaches 50°C on a hot day, what is the new pressure in the can? gas in the can of hair spray is initially at 24 °C and 360 kPa, and the can has 3. A sample of gas has a volume of 15.0 mL at a pressure of 13.0 psi. Determine the pressure of the gas at a volume of 7.5 ml.

1. Using a glass syringe, a scientist draws exactly 25.5 cm of dry oxygen at 20.0 C trom a metal cylinder. She needs to heat the oxygen for an experiment, so she places the syringe in an oven at 65.0 C and leaves it there for 30 min. Assuming the atmospheric pressure remains the same, what volume will the oxygen occupy? 2. The a volume of 350 mL. If the can is left in a car that reaches 50°C on a hot day, what is the new pressure in the can? gas in the can of hair spray is initially at 24 °C and 360 kPa, and the can has 3. A sample of gas has a volume of 15.0 mL at a pressure of 13.0 psi. Determine the pressure of the gas at a volume of 7.5 ml.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

Question

solve for number 1,2 and 3

ACTIVITY 3: Solve these problems.
1. Using a glass syringe, a scientist draws exactly 25.5 cm of dry oxygen at 20.0 C
irom a metal cylinder. She needs to heat the oxygen for an experiment, so she places
the syringe in an oven at 65.0 C and leaves it there for 30 min. Assuming the
atmospheric pressure remains the same, what volume will the oxygen occupy?
2. The gas in the can of hair spray is initially at 24 °C and 360 kPa, and the can has
a volume of 350 mL. If the can is left in a car that reaches 50 °C on a hot day, what
is the new pressure in the can?
3. A sample of gas has a volume of 15.0 mL at a pressure of 13.0 psi. Determine the
pressure of the gas at a volume of 7.5 ml.

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