Calculate the density of a solid if it has a mass of 8.47 g and a volume of 3.24 cms.

What would happen if fresh water was added slowly to salt water

Which of the following statements is true about gas particles? The space between them is very small. They repel each other with a strong force. They collide to increase their net kinetic energy. The attractive force between them is very weak.

Current passed through a wire loop situated between the poles of a magnet causes the wire to twist. Which of the following devices uses this property to measure the amount of current passing through the wire loop? a. generator b. electric motor c.

Which material is primarily a mixture of weathered rock and organic matter? 1) minerals 2) soil 3) ocean water 4) seashells

If a moon were discovered to be at 1.5 AU from the sun, it would be how far from the sun in kilometers? a.) 22,500 km b.) 225,000 km c.) 22,500,000 km d.) 225,000,000 km

Which of the following statements is true? Question 1 options: Nonmetals gain electrons to become cations. Metals gain electrons to become cations. Nonmetals lose electrons to become cations. Metals lose electrons to become cations. Save

What is the empirical formula of a compound that contains 40 percent carbon, 6.7 percent hydrogen, and 53.3 percent oxygen?

Molecular formula: C19H16 Double bond equivalence i. Calculate the number of double bond equivalents in the molecule from the molecular formula. (1 mark) ii. What does this indicate about the molecule? (1 mark)

A balloon that had a volume of 3.50 L at 25.0°C is placed in a hot room at 40.0°C. If the pressure remains constant at 1.00 atm, what is the new volume of the balloon in the hot room?

Balance the following equation. C7H14 + 02 - - - CO2 + H2O