Podcast
Questions and Answers
How many seconds are in two days?
How many seconds are in two days?
- 120,000 s
- 86,400 s
- 144,000 s
- 172,800 s (correct)
What is the volume of 2 liters of milk in cubic meters?
What is the volume of 2 liters of milk in cubic meters?
- 0.002 m³ (correct)
- 2 m³
- 0.02 m³
- 0.0002 m³
What is the relationship between liters and cubic centimeters?
What is the relationship between liters and cubic centimeters?
- 1 L = 1000 cm³ (correct)
- 1 L = 10 cm³
- 1 L = 1,000,000 cm³
- 1 L = 100 cm³
According to the Law of Conservation of Mass, what happens in a chemical reaction?
According to the Law of Conservation of Mass, what happens in a chemical reaction?
If 1 inch equals 2.54 cm, how many inches are there in 30 cm?
If 1 inch equals 2.54 cm, how many inches are there in 30 cm?
What unit factor converts days to hours?
What unit factor converts days to hours?
Which of the following demonstrates unit cancellation in dimensional analysis?
Which of the following demonstrates unit cancellation in dimensional analysis?
What principle underlies the combination of elements to form compounds?
What principle underlies the combination of elements to form compounds?
What is the numerical value that represents one mole of a substance?
What is the numerical value that represents one mole of a substance?
What is the molar mass of glucose (C6H12O6)?
What is the molar mass of glucose (C6H12O6)?
What does the term 'molar mass' refer to?
What does the term 'molar mass' refer to?
What is the molar mass of sodium chloride (NaCl)?
What is the molar mass of sodium chloride (NaCl)?
Which of the following describes the concept of a mole?
Which of the following describes the concept of a mole?
How many atoms are in one mole of hydrogen atoms?
How many atoms are in one mole of hydrogen atoms?
What is the mass percent of hydrogen in water (H2O)?
What is the mass percent of hydrogen in water (H2O)?
How is the molar mass related to the atomic/molecular formula mass expressed in atomic mass units (u)?
How is the molar mass related to the atomic/molecular formula mass expressed in atomic mass units (u)?
What does the Law of Conservation of Mass state regarding matter?
What does the Law of Conservation of Mass state regarding matter?
Which of the following best describes the measurements necessary for the Law of Conservation of Mass?
Which of the following best describes the measurements necessary for the Law of Conservation of Mass?
What does the Law of Definite Proportions state about a given compound?
What does the Law of Definite Proportions state about a given compound?
When gases react according to the Law of Definite Proportions, how do they combine?
When gases react according to the Law of Definite Proportions, how do they combine?
What do stoichiometric calculations help determine in a chemical reaction?
What do stoichiometric calculations help determine in a chemical reaction?
Which statement about molar mass determination is accurate?
Which statement about molar mass determination is accurate?
What is mass percent in a solution?
What is mass percent in a solution?
How do you calculate the concentration of a solution?
How do you calculate the concentration of a solution?
