It's a test
2naoh + h2so4 → na2so4 + h2o
the equation is [balanced/unbalanced], because the number of hydrogen atoms and [oxygen/sodium] atoms is [equal/not equal] in the reactants and in the products.

Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?