Que es agua? Y cómo se respira y cómo se camina en el suelo?

If you rub ballon on your bare arm explain what will happen in the following situations and what causes each reaction

Which physical property refers to the temperature at which substance in a solid state transforms to a liquid state?

What is the formula mass of HCN

How many oxygen atoms are in 17.63 grams of co2?

We can block light by placing obstacles in its path, but it's much more difficult to block sound. Why? Sound waves are transverse waves. Sound waves can move through various mediums. Sound waves have high frequencies.

In terms of pH what would happen if you mixed vinegar with a solution of ammonia. What type of product will form?

A nurse measures the volume of a drop of medicine. The volume of 1 drop of medicine is 1.66mL. What is the volume in deciliters of 1000 drops of medicine? Write your answer as a decimal.

10. Copper (i) bromide reacts with magnesium metal: 2 CuBr + Mg → 2 Cu + MgBrz If 0.253 moles of magnesium react in this way, a. How many grams of CuBr are consumed?

Objects 1 and 2 float as shown in the beaker below. Object 1 barely floats while 2 floats above surface. The density of the liquid in the beaker is 3.2 g/cc.

A 3.75 g sample of limestone, CaCO3, contains 1.80 g of oxygen and 0.450 g of carbon. What mass of calcium is present in the sample? a. 1.00 g b. 1.25 g c. 1.50 g d. 1.75 g e. 2.00 g