How to balance the redox reation : H2S+O2--> H2O+SO2

What state of matter can expand to fit the volume of a container

What is the molarity of a solution that contains 0.400 mol hcl in 9.79 l solution?

If you forget to dry off a bread knife and when you washed it and reddish brown spots appeared on it would that be physical or chemical change

Which experimental feature of the MALDI-MS technique allows the separation of ions formed after the adduction of tissue molecules

If you have 100g of a metal heated to 100° then dropped into 100g of water at 22° and the water temp increased to 35° does the metal release heat abosrb heat or stay the same

What does LeChatelier's principal mean

How many milliliters of a 0.7% stock solution are required to make 2 l of 0.2% solution? how many ml of solvent will be required to carry out the dilution?

What percentage of the naphthalene molecules emitted a photon?

In an endothermic reaction, heat is absorbed from the surroundings. How does this affect entropy? A. The particles in the surroundings move slower and have decreased entropy. B.

The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that must happen at the molecular level? A. The molecules move more quickly and their average kinetic energy increases. B.