Why are aircraft fuel tanks designed to be located in the wing
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Definition1/16
To utilize the wing space for the fuel,
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Term1/16
What is the molality of .630g of NaCl dissolved in 525g of water
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Definition1/16
0.630 g NaCl x (1 mol NaCl/58.44 g NaCl) = 0.0108 mol NaCl
525 g H2O x (1 kg/1000g) = 0.525 kg H2O
0.0108 mol NaCl/0.525 kg H2O = 0.0206 molality
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Term1/16
What is R in the ideal gas law equation
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Definition1/16
the ideal gas constant
D:
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Term1/16
What forces hold network solids together
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Definition1/16
All chemical bonds, including those found in network solids,
derive from the electromagnetic force. Positively charged protons
attract negatively charged electrons. Although atoms start off with
an equal number of protons and electrons, and are therefore
electrically neutral, the electrons rearrange themselves in ways
that create attractions between atoms. Covalent bonds
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Term1/16
What relationship does Charles's law describe
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Definition1/16
The relationship between temperature and volume
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Term1/16
Which intermolecular force would affect the boiling point the least
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Definition1/16
Van der Waals forces
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Term1/16
What force is activated because of the mass of the airplane and works to pull an airplane to the ground
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Definition1/16
Gravity
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Term1/16
Which of these best describes a flight that is approaching the speed of sound
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Definition1/16
more drag is created because the air molecules are not moving
out of the way of the airplane
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Term1/16
What does Dalton's Law of Partial Pressures say
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Definition1/16
The total pressure of a gas mixture is the sum of the individual
pressures.
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Term1/16
A concentration unit expressed in units of moles of solute per kilogram of solvent
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Definition1/16
This is called molality.
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Term1/16
What is the overall effect adding a solute to a solution
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Definition1/16
boiling point is increased and freezing point is decreased
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Term1/16
Which molecular solid would have the highest melting point
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Definition1/16
A solid that has hydrogen bonding would melt the easiest.
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Term1/16
What is a homogeneous mixture equivalent to
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Definition1/16
A homogeneous mixture has only one phase.
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Term1/16
What will result from increasing the temperature of gas
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Definition1/16
Increasing the temperature of gas the volume increase.
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Term1/16
Which of the following is an electrolyte solution
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Definition1/16
The answer is "Ions in water" on Apex
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Cards in this guide (16)
What are the functions of electromagnetic energy
by kentic energy by kentic energy
Why are aircraft fuel tanks designed to be located in the wing
To utilize the wing space for the fuel,
What is the molality of .630g of NaCl dissolved in 525g of water
0.630 g NaCl x (1 mol NaCl/58.44 g NaCl) = 0.0108 mol NaCl
525 g H2O x (1 kg/1000g) = 0.525 kg H2O
0.0108 mol NaCl/0.525 kg H2O = 0.0206 molality
What is R in the ideal gas law equation
the ideal gas constant
D:
What forces hold network solids together
All chemical bonds, including those found in network solids,
derive from the electromagnetic force. Positively charged protons
attract negatively charged electrons. Although atoms start off with
an equal number of protons and electrons, and are therefore
electrically neutral, the electrons rearrange themselves in ways
that create attractions between atoms. Covalent bonds
What relationship does Charles's law describe
The relationship between temperature and volume
Which intermolecular force would affect the boiling point the least
Van der Waals forces
What force is activated because of the mass of the airplane and works to pull an airplane to the ground
Gravity
Which of these best describes a flight that is approaching the speed of sound
more drag is created because the air molecules are not moving
out of the way of the airplane
What does Dalton's Law of Partial Pressures say
The total pressure of a gas mixture is the sum of the individual
pressures.
A concentration unit expressed in units of moles of solute per kilogram of solvent
This is called molality.
What is the overall effect adding a solute to a solution
boiling point is increased and freezing point is decreased
Which molecular solid would have the highest melting point
A solid that has hydrogen bonding would melt the easiest.
What is a homogeneous mixture equivalent to
A homogeneous mixture has only one phase.
What will result from increasing the temperature of gas
Increasing the temperature of gas the volume increase.