Sound waves entering the ear first strike the.

hammer, anvil, eardrum, cochlea

To what element does polonium-208 (atomic number 84 decay when it emits an alpha particle?

Which of the following statements is true? a. Acids and bases cannot mix together. b. Acids and bases will neutralize each other. c. Acids, but not bases, can change the pH of a solution. d.

Define Chemical equivalent weight

An organic compound contains only carbon, hydrogen, and chlorine. Combustion of a 1.50-g sample produces 3.52 g of CO2. In a separate reaction, a 1.00-g sample reacts with Ag+, producing 1.27 g of AgCl. What is the compound's empirical formula?

Which of the following compounds will form an electrolyte in solution? A. MgCl₂ B. C₆H₁₂O₆ C. C₂H₅OH D. C₅H₁₂ What is the molarity of a 785 ml solution that contains 6.5 moles of HCl? A. 8.3 M B. 0.008 M C. 121 M D. 0.12 M

What mass of aluminum is produced by the decomposition of 5.0 kg al2o3?

The smallest particle of a substance that still retains the properties of that substance

The reaction below demonstrates which characteristic of a base? Upper C U upper S upper O subscript 4 (a q) plus 2 upper N a upper O upper H (a q) right arrow upper C u (upper O upper H) subscript 2 (s) plus upper N a subscript 2 upper S upper O

What are two examples of decomposers

An unknown substance dissolves in water but it does not conduct electricity before or after it has dissolved.