Which reactions are oxidation-reduction reactions?

1. FeS (s) + 2HCl (aq) → H2S (g) + FeCl2 (g)

2. AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3

3. 2C3H6 (g) + 9O2 (g) → 6CO2 (g) + 6H2O (g)

4. Fe2O3 (s) + 3CO (g) → 2Fe (l) + 3CO2 (g)

A chemist reacted 17.25 grams of sodium metal with excess chlorine gas. The chemical reaction is as follows Na + Cl2 → NaCl If the percentage yield of the reaction is 88%, what is the actual yield?

Write the condensed electron configurations for the following atoms, using the appropriate noble-gas core abbreviations. Se Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals.

What two factors determine the properties of a compound

Which equation has both a liquid and a gas as products

What is the empirical formula? A compound being used in experimental medicine is 78.14% boron (B) and 21.86% hydrogen (H). The empirical formula of the compound will have a boron to hydrogen ratio of :

Can you solve the anagrams cduopomn yeproprt eeculomc mentag icatreno

Why are H2S, mercaptans, sulphur compounds and salt removed from the crude oils?

There are six continents on Earth. True False

Function of beta-galactosidase side is to

A 10.00 mL sample of 8.50 M HNO3 solution is diluted to a new volume of 65.0 mL. What is the concentration of the dilute solution