How much energy is required to raise the temperature of 3 kg of iron from 20° C to 25°C? Use the table below and this equation: Q = mcAT.

Stage in which a typical star has completely stopped fusion

Which type of fossil does this image depict?

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule