Which one is used in magnets often nickle or lead?

The formation constant for the following reaction is Kf = 5.6 108 at 25°C. Ni2 + (aq) + 6 NH3 (aq) Ni (NH3) 62 + (aq) (a) Determine G0 at this temperature.

If you have 5.2 moles of iron (Fe) how many grams do you have?

Is the zombie apocalypse possible? Why or why not?

Which amino acid would, when incorporated into a polypeptide chain (not at the N or C terminus), make the charge of the polypeptide more positive?

Which of the following scenarios is representative of parasitism?

An element is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

What is the maximum number of electrons in the second electron shell, closest to the nucleus?

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

Energy can be transformed from one form to another. The diagram shows one such process. Which energy transformation is represented in the diagram?