Given the reaction:

NH3(g) + H2O() NH4+(aq) + OH–(aq)

Which is the conjugate acid-base pair?

A) H2O() and NH4+(aq)

B) H2O() and NH3(g)

C) NH3(g) and OH–(aq)

D) NH3(g) and NH4+(aq)

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m