In the reaction 2Al(s)+ 6 HCl(aq)= 2AlCl3(aq)+3H2(g) If 37.0 moles of Al are reacted with excess HCl and 12.5 moles of H2 are formed, what is the percent yield of the reaction?

The modern periodic table has groups.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)