The periodic table consists of elements following a repeating pattern of

How many grams are in0.465 moles of HCI

Which of the following statements is true concerning acids and bases? A. acids and bases don't react with each other B. acids mixed with bases neutralize each other C. acids mixed with bases make stronger bases D.

Identify the following as an element or compound copper II oxide

Write 3.05 x 10^-3 in standard notation

You are doing an experiment about the diet of mice. You want to see how the amount of salt in a mouse's food affects how much water the mouse drinks. What should the independent variable be? a. the type of mouse b. the amount of salt in the food c.

A) the ka for acetic acid (h3cco2h) is 1.737 * 10-5. what is the pka for this acid? b. use the pka calculated above to determine the ph at which [h3cco2h]=[h3cco2-].

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

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Foods labeled "fat free" can actually contain less than 0.5 grams of fat.

Plants make their own food. The chemical reaction for this process is shown in the equation below. CO2 + H2O + energy → C6H1206 + O2 What are the products in this chemical reaction? O A. C6H1206 + energy O B. H20 + energy O C. CoH1206+02 O D.