The ratio of h2 gas to o2 gas will always remain 2: 1, and the ratio of h2 gas to h2o gas will remain 1: 1 so if the gas volumes are measured at the same temperature and pressure: 44.8 liters of h2 + liters of o2 → liters of h2o

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Heat is the total potential energy of a substance that can be transferred. true false

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability