Exam 4: Energy and Physical Properties

Which of the following increases as temperature increases?

A sample of nitrogen occupies a volume of 543 mL at 30°C and 772 torr. If the temperature is constant, what will be the pressure if the volume changes to 375 mL?

Below is the structure of the amino acid, serine. Four hydrogen atoms in the compound can form hydrogen bonds.

In the following sentences, fill in the blanks with the appropriate terms from the list below. high low electrolyte nonelectrolyte ion-ion attraction dipole-dipole attraction hydrogen bond dispersion force -Each solid line in the figure represents a_______________________.

Convert 0.662 atm to millibars.

Examine the following representation of a change of state. Which of the following is the correct term for this change?

What is the specific heat of a substance if it requires 475 cal to raise the temperature of a 67-gram sample from 25°C to 43°C?

In the following sentences, fill in the blanks with the appropriate terms from the list below. high low electrolyte nonelectrolyte ion-ion attraction dipole-dipole attraction hydrogen bond dispersion force -The boiling point of the substance shown below will be ______________________ when compared to that of substance in the image. .

Which of the following best describes the relationship of molecules in a liquid with those in a gas at the same temperature?

Filling the blank with the appropriate term from the list below. Charles's Boyle's Guy-Lussac's Combined Gas -A sample of helium gas is 1.00 atm. If you change the temperature of the sample from 40°C to 110°C and decrease the volume of the container, the resulting pressure can be calculated using ____________________ law.

Helium (He) is used to fill balloons and is stored in a metal cylinder with pressure gauges on the top. For each of the following changes, fill the blank with one of the following terms to describe what happens to the pressure reading on the gauge. increases decreases remains constant -The cylinder was moved from the basement of the building to the fourth floor. The pressure reading _______________________.

Butane is a gas at room temperature (25 °C). The boiling point of butane is probably greater than 25 °C.

The volume of a gas in the upper atmosphere needs to be calculated. If the temperature is -41°C, what numerical value should be used in the calculation?

In the following sentences, fill in the blanks with the appropriate terms from the list below. high low electrolyte nonelectrolyte ion-ion attraction dipole-dipole attraction hydrogen bond dispersion force -_______________________is the type of force present between the particles shown in the image.

An expandable plastic container contains 255 mL of nitrogen gas at 25°C and 688 torr. What is the volume of the container at 47°C and 489 torr?

In the following sentences, fill in the blanks with the appropriate terms from the list below. high low electrolyte nonelectrolyte ion-ion attraction dipole-dipole attraction hydrogen bond dispersion force -The lower middle hydrogen atom in the upper left ammonia molecule could be a hydrogen bond _____________________.

In the following sentences, fill in the blanks with the appropriate terms from the list below. high low electrolyte nonelectrolyte ion-ion attraction dipole-dipole attraction hydrogen bond dispersion force -The melting point of a solid composed of the particles shown in the image will be _________________.

Helium (He) is used to fill balloons and is stored in a metal cylinder with pressure gauges on the top. For each of the following changes, fill the blank with one of the following terms to describe what happens to the pressure reading on the gauge. increases decreases remains constant -Four balloons are filled from the cylinder. The pressure reading _______________________.

Which of the following is true as a student slides down a waterslide?

Which of the following is a type of heterogeneous mixture?