What is the total amount of heat needed to change 126 g of an unknown metal at 36 °C to 89°C ? The specific heat of the metal is 0.472 J/g∙°C PLEASE PLEAS EHELP

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

Using the periodic table, complete the table to describe each atom. type in your answers

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g