18 Powdered sulfur is yellow, and powdered iron is gray. When powdered sulfur and powdered iron are mixed at 20°C, the powdered iron

(1) becomes yellow (3) remains ionic

(2) becomes a liquid (4) remains magnetic

A 100.0 mL 100.0 mL solution containing 0.960 g 0.960 g of maleic acid (MW = 116.072 g/mol) (MW=116.072 g/mol) is titrated with 0.295 M KOH. 0.295 M KOH. Calculate the pH of the solution after the addition of 56.0 mL 56.0 mL of the KOH KOH solution.

Salad (lettuce, tomato, and onion) a pure substance or a mixture?

How many grams of solid baso4 will form when ba2so4 react with 25mL of. 50 M Ba (NO3) 2

Procedure for the experiment. 1. Crush 1 stick of classroom chalk (a mixture of limestone and gypsum) finely. 2. Mix chalk into 50 ml of water in a beaker. 3. Pour the mixture through filter paper into another beaker. The water appears to be "pure.

List two things (number them 1 and 2) that are special about hydrogen allowing it to form hydrogen bonds when bound to oxygen: 1 ... 2 ...

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.