Cuo+h2 cu+h2o which is the reducing agent

Charles' Gas Law demonstrates a the linear relationship between volume and temperature of gas particles. Which of the variables below must remain constant for Charles' Law to be in effect? A. Volume B. Temperature C. Pressure D. Mass

A 0.500-mole sample of a gas has a volume of 11.2 liters at 273 k. what is the pressure of the gas? (hint: use ideal gas law equation)

When atoms from Group IA combine with atoms from Group VII: A.) A nearly 100% covalent bond forms B.) The bond will be ionic. C.) A weak bond will form. D.) The resulting compound will be very unstable. E.) A great deal of energy is absorbed.

A flask contains a mixture of N2 and O2 at STP. If the partial pressure exerted by the N2 is 40.0 kPa, the partial pressure of O2 is?

Which of the following objects would have the most inertia? A. A sphere with a radius of 4 cm and a mass of 15 grams. B. A sphere with a radius of 8 cm and a mass of 27 grams. C. A sphere with a radius of 5 cm and a mass of 34 grams. D.

Chemistry Lab Question: Filtration Compare the size the particles of refined sand with the size of particles of the dissolved salt in the mixture? Compare the size of the pores in the filter paper, to the sizes of the sand and salt particles?

What is the [oh-] in a sample of lime juice with a ph of 2.0?

What is the subscript present in NaCl?

Identify each element as a metal, metalloid, or nonmetal. a. gold b. silicon c. manganese d. sulfur e. barium

Extreme (1, 2, or 3) in the center of nebulae causes hydrogen atoms to shed their electrons and collide with one another. The (4, 5, or 6) of the collisions cause the smaller, bare nuclei to fuse into large helium nuclei. 1. expansion 2. heat 3.