Calcular el porcentaje en masa de una disolución que fue preparada con 10g de azúcar disueltos en 200g de leche

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?