an amber alert object is placed in 50 mL of water in the water level rises 72 ml. What is the volume of the object?

Calculate the enthalpy change for the thermite reaction: 2al (s) + fe2o3 (s) →2fe (s) + al2o3 (s), δh∘rxn=-850 kj when 8.00 mol of al undergoes the reaction with a stoichiometrically equivalent amount of fe2o3.

In a solution, the solute is the substance present in the greatest amount. In a solution, the solute is the substance present in the greatest amount. A. True B. False

Which of the following is a chemical property?

Predict the temperature of the water leaving a condenser

Question In a molecule of chlorine (Cl2), the chlorine atoms are connected to each other by a single bond. :Ci - ci: Which statements correctly describe this bond? Select all the correct answers. It contains electrons from the first energy level.

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.

Which is a base unit in SI? A. centimeter B. kilogram C. gram D. grams/milliliter

The primary mechanism for converting atmospheric carbon into usable forms for life on earth is achieved by

For a particular collision, she detects the emitted products and find 15 protons, 2 antiprotons, 7 positrons, and 24 neutral particles. How many electrons are also emitted

Suppose you wanted to change the rate of a chemical reaction. what might you change in the reaction? explain the factor