Rust forms from the reaction of a metal with oxygen; this is an example of a

synthesis reaction.

True

False

A heterogeneous mixture is a

Which state or states of matter take (s) the shape of its container? A) gas B) solid C) liquid D) liquid and gas

A skateboarder rolls horizontally off the top of a staircase at a speed of 18 ms-1 and at the bottom of the stairs which has a horizontal length of 9 m as shown. Calculate the skater's vertical displacement during the jump?

If an atom had a nucleus 1 ft in diameter, what would be the diameter in miles?

How is chemical activity used to separate copper from its ore?

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius

Psychologists avoid studying emotions because they have little impact on behavior T F

Sheila lives in the seashore community of Beachview. At 6:00 a. m. one morning, she noticed that the local ocean water was at high tide. At approximately noon that same day, she noticed the water was at low tide.

How many pounds are in 427.06 g? 1 gram = 2.20 * 10-3 lb A. 194,118 lb B. 194.12 lb C. 939 lb D. 0.939 lb