If the interplanar distance in the crystal is 287 pm , and the angle of maximum reflection is found to be 7.29 ∘, what is the wavelength of the x-ray beam? (assume n=1.)

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery