Atomic number for bromine

1. How many ml of a 1.00M HOI solution do you need in order to produce 5.6L of hydrogen gas at STP? Mg + 2HCl → MgCl2 + H2

Some of the enzymes that oxidize sugars to yield useable cellular energy (for example, ATP) are regulated by phosphorylation.

How many calories of energy must be added to 1 gram of water to increase its temperature by 1°C? A2.5 B4.18 C10 D1

What is the element in period 5 with 6 valence electrons?

1 What is the approximate mass of a proton? (1) 1 u (3) l g (2) 0.0005 u (4) 0.0005 g

Which element is present in all amino acids but not necessarily in fats or carbohydrates?

Describe the attractive forces and repulsive forces that exist between two atoms as the atoms move closer together

A bag of gum drops contains 14 orange gumdrops, 8 yellow gumdrops, and 12 black gumdrops. What is the percentage of yellow gumdrops?

Gases and liquids will both expand to fill their container. True False ... ?

Which of the following best explains why electrometallurgy is a useful process in many industries? A.) Electrometallurgy can etch permanent marks and designs into the surfaces of metal products. B.