No caso da pessoa ser um atleta profissional, essa demanda de energia pode subir até 5400Kcal. Transforme essa medida de energia nas unidades de caln Joule (J) e em (KJ), Com a conta.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2