You might have a flashlight that runs (2) d-cells of 1.5 volts each in series. the bulb is rated for 0.7 amps. what's its resistance?

What would cause the equilibrium to shift left in this reaction? CO + 3H2 ⇌ CH4 + H2O A. adding heat to the product mixture B. a faster rate of forward reaction C. increased collisions between CO and H2 D. the escape of water from the mixture E.

What's the hydroxide ion concentration of a solution with a pH of 3.0

As you move to a higher elevation (e. g. in the mountains), the air pressure drops significantly. In turn, A) the temperature of water increases and the density goes up as well.

Which property is true for metals? A. localized electrons B. high electronegativity C. low ionization energies D. tightly held valence electrons

Explain how a bond forms between sodium and chlorine in sodium chloride (NaCl).

Rebekah is studying a molecule and trying to determine if it is DNA or RNA. Which kind of molecule is she studying? carbohydrate protein nucleic acid lipid

The function of most proteins depends primarily on the

Compare the temperature of water as ice begins to form with the temperature of ice as it begins to melt?

Which elements are present in sugars?

How does Q compare to Keg? O Q> Keq O Q< Kea OQ = Keg