If the silver chloride is not dry when its mass is determined, will the calculated percent of silver in the alloy be too high or too low?

Which situation is a result of human activities A. Decay of leaves in a forest adds to soil fertility B. Acid rain in an area kills fish in a lake C. Ecological succession following volcanic activity reestablishes an ecosystem. D.

An object was placed into a container of water the arrow shows the thermal energy is flowing from the water to the object what is the valid conclusion

Which lists all of the substances that appear in equilibrium constant expressions? pure gas and pure liquid pure gas and aqueous solution pure solid and pure liquid aqueous solution and pure liquid

Number of grams of perchloric acid in 4.25 x 10^-4 mol of perchloric acid

How many water molecules would be produced in making a polypeptide that is 14 amino acids long?

You are preparing some solutions for your instructor and have been asked to prepare 3.00 L of a 0.250M sodium hydroxide solution. To make the solution, you should weigh out: A. 30.0 g NaOH and add 3.00 L of water to it. B. 75.

Which of the following contains maximum number of atoms? a) 2.0g hydrogen b) 2.0g oxygen c) 2.0g nitrogen d) 2.0g methane

Which of the following are likely to form an ionic bond? • copper atoms • hydrogen atoms • hydrogen and oxygen atoms • copper and fluorine atoms

How much heat is released if 7.15 g cao (s) is added to 152 g of h2o (l) ? cao (s) + h2o (l) → ca (oh) 2 (s) δh°rxn = - 64.8 kj/mol?

Why does water flow decrease in your shower when someone flushes the toilet