How many distinct and degenerate p orbitals exist in the second electron shell, where n = 2?

How many moles are in 4.2 g of H2O

Longshore drift occurs when: the repetitive action of swash and backwash transports sediment sideways along the coas powerful waves wash against the shore, carrying rock and sand away rock particles in waves grind against the shore none of the above

Suppose you are given a sample of a homogeneous liquid what would you do to determine whether it is a solution or a pure substance

If a gas at 25oC occupies 3.60 L at a pressure of 2.50 atm, what will be its volume at a pressure of 1.00 atm if the temperature does NOT change?

Round 0.0952 km to 2 significant figures km 0.095 0.09 0.1

What are the chemical formulas for ... Heptasulfur Pentoxide: Trisulfur Monochloride: Selenium Hexafluoride: Tetranitrogen Pentasulfide: Carbon Nonachloride: ?

Write an equation for the reaction of hydrogen chloride and sodium sulfide to produce hydrogen sulfide with sodium chloride. 1. Show the formulas of the reactants 2. Show the formulas of the products. 3. Write the balanced equation for this reaction

Martha has a large amount of 1.25 M H2SO4 in her lab. She needs 36 grams of H2SO4 for a chemical reaction she wants to perform. How many liters of solution should she use?

A student makes observations when water is added to a blue solution of copper sulfate. The student makes only 1 observation: the solution changes to a lighter shade of blue. Is this an example of a chemical reaction? Explain your reasoning.

When dos the spring tide occur