Suppose you mix several liquids in a jar. After a few minutes, the liquids form layers. Is this a homogenous mixture or a heterogenous mixture? Why?

What is a solid in which electrons are able to move about easily from one atom to another?

An atom of selenium (Se) forms a monatomic ion. Which ion does it most likely form? A. Se 2+ B. Se 2 - <- - I believe this is correct. C. Se 6+ D. Se 6-

The Lewis model predicts that the formula of a compound formed between bromine and aluminum is: The Lewis model predicts that the formula of a compound formed between bromine and aluminum is: AlBr2 AlBr3 AlBr Al2Br none of the above

When the carbon dioxide gas was "poured" onto the candle flame, it extinguished it. T or F

Is liquid starch with water a suspension, colloid, or solution?

A solution is made by dissolving 25.20 g of aluminum acetate in 185.0 mL of water. What is the concentration of acetate ions?

Which best describes how sediment forms? erosion breaks down rock and other material molten rock cools above earths surface loose material is cemented by pressure chemical changes cause sediment to compact together

How will you know whether a solution is saturated or supersaturated?

What is the number of moles of 27.6g of lithium?

Air is transferred from a 75 L tank where the pressure is 125 psi and the temperture is 288 k to a tire with a volume of 6.1 L and a pressure of 25 psi. What is the new temperture.