1) Leia as frases a seguir, algumas vezes encontradas em estabelecimentos comerciais ou propagandas. Em seguida, aponte o equívoco dessas expressões. Perucas feitas de cabelo 100% natural, sem química. Piscina com água mineral corrente, sem química. Escova progressiva à base de queratina e proteínas do mel, sem químicos.

Heat of fusion= heat/mass  heat of fusion = 12.03kj/36 g= 0.3342 kj/g or 334.2 j/g

The answer is falsegravitational force is independent of medium and depends only on the masses of the two objects and the distance between them.

Moles = mass/molar mass the molar mass of c20 = 12.011*20 = 240.22 g per mole therefore, the number of moles is 20 g / 240.22 g per mol = 0.0833 moles.

Hello! mitosis and meiosis are the same, because they are both ways of dividing cells and reproducing cells. they are different in many ways, but the main one is that meiosis splits the number of chromosomes in 1/2, while the number of chromosomes remains the same for mitosis. plus, meiosis has two stage of division, unlike mitosis, where it has only one.