Porque el grupo funcional oh tiene un numero de oxidacion de - 1

0c convert to kelvin

True or false 1. The valence number of Sulphur in H2S is 1. 2. The symbol of potassium is derived from English name. 3. The apparatus used to carry out distillation process is filter pape 4.

What ion is most likely to form in compounds with potassium?

A serving fish contains 50 g of protein and 4 gof fat. If protein has a caloric calue of 4.0 kcal/g and fat has 9.1 kcal/g, how many kcal are in the serving?

Which statement is correct about the total mass of glucose and oxygen formed during photosynthesis? A. It is equal to the total mass of carbon dioxide used. B. It is less than the total mass of carbon dioxide used. C.

Much of life on Earth is based in aquatic biomes. What property of water allows life to survive in liquid water?

A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? 13 9 5 4

Calculate the maximum mass of carbon dioxide that could be obtained by adding excess hydrochloric acid to 15 g of calcium carbonate.

True or false: during dry weather, the water level in a small pond drops because of runoff.

Bradley hit a baseball with a bat. The baseball then hit a window and caused the window to break. Where did the energy that broke the window come from?