This substance turns blue litmus paper red and reacts with metals to produce hydrogen gas?

is it acid or base

A compound is broken down by chemical means during

When iron sulfide (FeS) is combined with hydrogen chloride (HCl), a gas is formed in a double-displacement reaction. Which gas would it be? A. FeS, B. FeH, C. H2S, D. H2Fe

Water temperature is general cooler where?

Give an example of a physical change and a chemical change for iron

An upward force acts on a proton as it moves with a speed of 2.0 * 105 meters/second through a magnetic field of 8.5 * 10-2 tesla running from east to west. What is the force and direction of the force on the proton? 2.7 * 10-15 N to the north 2.

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?