Consider this reaction: KOH + HBr KBr + H2O Which statement is most likely true about HBr? O It turns blue litmus red O It reacts with carbon dioxide to form a carbonate O It feels slippery

What happens as a result of an increase in the intensity of a sound wave?

Are two atoms with different amounts of neutrons the same element or different elements?

A simple sugar (C6H12O6) occurring in plant and animal tissues

A gas occupies 14.3 liters at a pressure of 45.0 mm Hg. What is the volume when the pressure is increased to 63.0 mm Hg?

B) into the same funnel is poured carefully 50 ml of hexane (density = 0.660 g/ml) so that the other two layers are not disturbed. the hexane forms a third layer. the funnel is stoppered and the mixture is shaken vigorously.

Gypsum is a mineral that is used in the construction industry to make drywall (sheetrock). The chemical formula for this hydrated compound is CaS04 • 2H20. A hydrated compound contains water molecules within its crystalline structure.

What is plasma from which clotting factors have been removed called?

Genetic evidence supports which of the following explanations for the presence of 13 different finch species on the Galápagos Islands? A.

A living thing that cannot make its own food and must eat other living things for energy

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.