A sample of hydrogen gas occupies 17.5 L at

STP. How many moles of the gas are present?

Answer in units of mol.

A chunk of aluminum weighing 19.7 grams and originally at 98.01 °C is dropped into an insulated cup containing 81.3 grams of water at 21.05 °C. Assuming that all of the heat is transferred to the water, the final temperature of the water is

2. The electrolyte in automobile lead storage batteries is a 3.75 M sulfuric acid solution that has a density of 1.230 g/mL. Calculate the mass percent, molality, and mol fraction of the sulfuric acid.

What is the maximum number of f orbitals in any single energy level in an atom

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AgCl is less soluble in NaCl (aq) than in water because a) of a decrease in Na + ions. b) AgCl forms complex ions with NaCl. c) of a common ion effect. d) NaCl has a higher solubility product.

How do you do percent composition in chemistry?

Which mixture has the largest particle size?

Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed

What will happen to the equilibrium of this reaction if HCl gas is injected into the system? H 2 (g) + Cl 2 (g) Missing Metadata 2HCl (g) Question 1 options: The reaction will move to produce more HCl.

What combination of primary colors do we mix to get yellow