If the energy of a photon is 1.32 x 10-18 J, what is its wavelength in nm?(c = 3.00 x 108 m/s; h = 6.63 x 10-34 Jos) a) None of these choices is correct.
b) 1.99 x 1015 nm
c) 151 nm
d) 1.51 x 10-7 nm
e) 1.99 x 1024 nm

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What is the value of keq for the reaction expressed in scientific notation?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?