Chemistry, 27.06.2019 08:00 hinojosachristian1
What is the empirical formula of a compound that breaks down into 4.12g of n and 0.88g of h? explain why.
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What is the value of keq for the reaction expressed in scientific notation?
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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What is the empirical formula of a compound that breaks down into 4.12g of n and 0.88g of h? expla...
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