Helium–neon laser light (λ = 632.8 nm) is sent through a 0.330-mm-wide single slit. what is the width of the central maximum on a screen 3.00 m from the slit? mm

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

What forms when chemical reactions combine pollution with sunlight?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion