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What is the chemical formula of lead (IV) oxide

What is the range of the numbers of isotopes chemical elements have?

Consider the chemical formula for calcium chlorate: Ca (ClO3) 2 How many of each of these atoms are in a molecule of calcium chlorate? Ca: Cl: O:

Chemical Reaction 1. Do you believe frying an egg is a chemical reaction? Explain why or why not? 2. Define a chemical reaction

A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is how many ppm? a) 44 b) 88 c) 22 d) 11 e) 500

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So I found out that the Apollo 11's guidance computer had 2k memory but like of what? 2,000 Terabytes? Basically I would like to know the units

Given an activity series in which the most active metals are at the top of the list and the least active metals are at the bottom of the list, would copper be listed above silver or would silver be listed above copper?

The number of Joules needed to raise the temperature of 10 grams of water from 20°C to 30°C is

Two samples of carbon tetrachloride were decomposed into their constituent elements. One sample produced 38.9 g of carbon and 451 g of chlorine, and the other sample produced 14.8 g of carbon and 135 g of chlorine.