A certain hybrid car has a mileage rating of 47 miles per gallon. If the car makes a trip of 279 miles, how many gallons of gasoline will be used?

What will most likely happen in the absence of a cell wall? Photosynthesis will not occur. The cell will lose its shape and support. Cellular respiration will not take place. Substances will not move in and out of the cell

The shiny appearance of a metal is most closely related to the metal's A. brittle crystalline structure. B. covalent bonds. C. positive ions. D. highly mobile valence electrons (electron sea / delocalized electrons).

What decay process occurs in step one? A) beta decay B) alpha decay C) thorium decay D) positron decay

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Substances with a higher temperature a. have less thermal energy. b. have more molecular disorder. c. become more orderly if heated more. d. will move thermal energy to a hotter substance.

How much greater is the energy produced by a fusion reaction compared to a chemical reaction?

True or false. A bond between a metal atom and a nonmetal atom is likely an iconic bond

What is a precipitate? It is a liquid that forms from solution during a chemical reaction. It is a reactant that forms from solution during a chemical reaction. It is a solid that forms from solution during a chemical reaction.

The electron configuration for an atom is 1s22s22p2. How many electrons does the atom have? 4 2 6 5

When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the solution turns milky and a white precipitate Y is formed a. Write the chemical formula of X, Y and (3) b.