Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 - 651.9

A) 3.286

B) 0.3286

C) 0.33

D) 0.3

E) 1268.1

How can filtering produce clean water from dirty water?

How many moles of chlorine are in 100 g chlorine (cl) ?

If zinc chloride weighs 136.28 g/mol, what is its molecular formula? show calculations

Describe the similarities and differences between the motion of particles in liquids and gases.

Consider the addition of 15.4 to 28. what would a mathematician say the answer is? what would a scientist say? justify the scientists answer

How many molecules of carbon dioxide, CO2, are present in 388.1 grams?

Radioactive elements will continue to decay until A. They have a stable nucleus B. They have a full octet of electrons C. They have a neutral electrical charge D. They have the same number of electron and protons

Which one of the following elements is stable?

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In some plants, the product of fertilization. This holds an embryonic plant, usually a food source for the embryo, and is enclosed in a protective coat.