What chemical change occurs when a more reactive substance replaces a less reactive substance in a compound?

a. Oxidative

c. Reduction

b. Displacement

d. Endothermic

When aluminum hydroxide (dissolved in water); is mixed with aqueous sulfuric acid (H2SO4) the products are aluminum sulfate (a precipitate) and liquid water

Solve the following: Which one is more metallic 1. A) Potassium or B) Bromine 2. A) Cesium B) Sodium 3. A) Silicon or B) Aluminum 4 A) Gold or B) Bismuth

You can scratch graphite with your fingernail. What does this tell you about graphite? A. It breaks easily. B. It's not very hard. C. It's not very lustrous. D. It doesn't have much texture.

The mass of a nitrogen atom is 14 u. What is the mass, in grams, of 2 mol of N?

Why was Aristotle considered correct over Democritus based on their time period

Which layer of the earth can only be studied by indirect means

Is Euglena heterotroph or autotroph

What is the mass of 5000. atoms of silicon

Which coefficients balance this equation? _CH4 + _O2 - > _CO2 + _H2O A. 1, 1, 1, 1 B. 1, 1, 2, 1 C. 1, 2, 1, 2 D. 2, 1, 2, 1

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?