Explain the energy transformation that must occur for your body to participate in a physical activity, such as playing a sport.

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.

Selenous acid is diprotic it can react with sodium hydroxide in steps write equations (in molecular form) for the two steps of the reaction

For a bronze alloy, the stress at which plastic deformation begins is 277 MPa and the modulus of elasticity is 107 GPa.

A student dissolves equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water. Which result is most likely? The salt dissolved fastest in the warm water. The salt dissolved fastest in the ice water.

Tap water has a higher conductivity reading than distilled water because ... A) distilled water contains ions B) both contain ions but tap contains more ions C) tap water contains ions

Who is the discover of x-rays

Using complete sentences, explain how to predict the products and balance the reaction for the combustion of butane, C4H10. C4H10 + O2

which of the following is true? soil forms from weathered rocks and organic materials. fertile soil usually forms in areas with steep slopes.

Which are forms of frozen water? Check all that apply. dew frost hail rain sleet

Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "Submit". Use H3O + for hydronium ion.