Aqueous solutions of lead nitrate and potassium iodide are combined in a test tube. The best proof that a chemical reactions has occurred would be that

Why do they use the letter k for equilibrium

Two jars are placed inside an insulated box. One jar contains ice water and the other contains hot soup. What will happen to the two liquids? Question 6 options: Both the hot soup and the ice water will gain heat.

If the reaction uses 140 grams of iron, how much rust could be produced?

Which part of an atom has a negative charge? Question 1 options: neutron proton nucleus electron

How many valence electrons would an element with atomic number 113 have?

Is Ba (NO3) 2 covalent or ionic

An alcohol contains only C, H, and O. When a 1.50mg sample of the alcohol is burned completely in oxygen, 3.30mg of CO2 and 1.80mg of H20 are formed. What is the empirical formula for the alcohol?

Using the field meter, does the field strength increase or decrease as you move away from the bar magnet?

Complete each of the definitions with the appropriate phrase. Precision means that measurements are close to Accuracy means that measurements are close to Anawer Bank each other an accepted value |individual several

Acetylene is hydrogenated to form ethane. the feed to the reactor contains 1.4 mol h2/mol c2h2. (find properties of the reactants/products in appendix of book) a.