3 Al2 (SO4) 3

What is the total number of atoms in this equation?

How many atoms of Mg are present in 97.22 grams of Mg? 6.022 * 1023 2.408 * 1024 4.818 * 1024 5.855 * 1025

A solution of hydrochloric acid contains Select one: a. fewer hydronium ions than chloride ions b. fewer hydroxide ions than hydronium ions c. more hydronium ions than chloride ions d. more hydroxide ions than hydronium ions

When wood is burned, energy is released in the forms of heat and light. Describe the reaction, and explain why this change does not violate the law of conservation of energy. Use the terms combustion, exothermic, and chemical energy.

Which of the following is considered an ignition source? A: all answer choices are source of ignition B: Cutting and welding C: Lightning D: Open flames

Balance this chemical reaction H2+N2-> NH3

1. 1.204 x 1024 atoms He = ? moles He

How many atoms are in 35.1 g of sodium chloride (NaCl) ?

Write the complete balanced equation for the reaction that occurs when C3 H8 combusts in O2.

Which one of the following is not a homogeneous mixture? Question 18 options: vegetable soup carbonated beverages saline solution brewed tea

Choose the substance with the lowest surface tension. Choose the substance with the lowest surface tension. a) H2O b) (CH3) 2CO c) CH3CH2CH2CH3 d) C6H6 e) CH3OH