What is the pH of 0.50 M H2S (given that Ka = 8.91 * 10-8) ?

Which of the following best describes technology A. Something created for only scientists to use B. the method of thinking that scientists use. C. the application of engineering to create useful products. C. A scientific idea

A brass doorknob has a mass of 80grams and a volume of 10cubic centimeters. What is its density?

The blank of an element is the average mass of all isotopes of that element

To build a sustainable multigenerational civilization, it may be necessary to simulate Earth's gravity. How will this be possible?

Which is not part of the recipe for a thunderstorm to form? A. Updrafts B. Moisture in the atmosphere OC. A lifting force D. Cool air rising through warm air SUB

Which statement best describes electrolysis? Electrolysis stores electrons in an aqueous solution. Electrolysis converts chemical energy into electrical energy. Electrolysis separates protons and electrons in an electrolyte.

Why can xenon expand its octet to form compounds but neon can't

What do we call the group of organisms that share the same characteristics?

Oblicz masę azotu w pustym pomieszczeniu o wymiarach podanych na ilustracji gęstość azotu w temperaturze pokojowej wynosi 1,15kg m3 3m, 2,5m, 4m

What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution? A. 0.0133 M B. 0.0409 M C. 0.959 M D. 5.67 M