Calcium metal reacts with a potassium chloride solution to form calcium chloride and potassium ions. Classify this reaction. Ca (s) + 2KCl (aq) → CaCl2 (s) + 2K + (aq)

When you drop a 0.43 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s^2 toward the earth's surface. According to Newton's third law, the apple must exert an equal but opposite force on Earth. If the mass of the earth 5.

An insoluble solid material that is produced in double replacement reactions is called

Which organisms are the oldest to most recent, based on scientific views? A. cyanobacteria, birds, sea scorpion, saber-toothed cats B. birds, saber-toothed cats, sea scorpion, cyanobacteria C. cyanobacteria. sea scorpion, saber-toothed cats, birds D.

The law of conservation of mass states that in a chemical reaction matter is not created or destroyed true or false

What rock is formed by metamorphosing shale?

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines

You place a cup of 210 degrees F coffee on a table in a room that is 68 degrees F, and 10 minutes later, it is 200 degrees F. Approximately how long will it be before the coffee is 180 degrees F? Use Newton's law of cooling:

What change occurs to the mass of an object when an unbalanced force is applied to it? A. The mass increases. B. The mass decreases. C. The mass remains the same. D. The mass reduces to zero. E. The mass changes by an indeterminate amount.

The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and supply decreases. b. demand increases and supply increases. c. demand decreases and supply increases. d.

The nearest large galaxy to our own is about 2.5 million light-years away. how many meters is that