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Does the solubility of a solid in a liquid increase or decrease as the temperature of the liquid increases?

What type of lens is used for a magnifying glass?

T or F Elements in the same group of the periodic table exhibit similar chemical properties.

A permanent magnet has magnetic properties because

Water is able to dissolve certain salts because water is made up of

In an ionic compound you would find atoms that

One rubber balloon with a negative charge of 4.00×10 -14C is suspended by a string and hangs 0.05 m from a second rubber balloon with a negative charge of 2.00×10 -12C. What is the direction and magnitude of the force between the balloons? k=9×10 9Nm 2/C 2

A power plant generator produces a 220 V, 35.0 A alternating current that is fed to a step-up transformer before transmission over the high lines. The transformer has a ratio of 200 to 1 wire loops. What is the current that is transmitted?

What is a huge chainlike molecule made of hundreds or thousands of smaller, repeating molecular units?

Neglecting air resistance, a ball dropped in freefall will have