Explain how two two parents with brown skin could have a child with dark brown skin and anotherchild with light brown skin

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide