What do the coefficients in chemical equations involving gases, solids, and liquids represent?

A bloated corpse is found in the woods with mottled skin. Fly larvae and beetles are all over it, but there are no ants. Which is the correct postmortem interval? A) 1 day B) 19-30 days C) 8 days D) 4 days

Large tides, called spring tides, are experienced in the Earth's oceans when the moon is in position A) A. B) B. C) A and C. D) B and D.

What is the percent composition of carbon in C2H30

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The following reaction shows sodium hydroxide reacting with sulfuric acid. 4NaOH + 2H2SO4 → 2Na2SO4 + 4H2O How many grams of Na2SO4 are produced from 10.0 grams of NaOH? (Molar mass of Na = 22.989 g/mol, O = 15.999 g/mol, H = 1.008 g/mol, S = 32.

What is shielding effect?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?

3 A2 + B2 >>> 2 units of product 3 AA + BB >>> 2 products 3 volumes + 1 volume >>> 2 volumes product 3 liters + 1 liter >>> 2 liters product 3 moles A2 + 1 mole B2 >>> 2 moles product Click to get the correct formula for the product of the reaction.

The density of a substance with a mass of 48 grams and a volume of 3 ml is what

An atom of beryllium (m = 8.00 u) splits into two atoms of helium (m = 4.00 u) with the release of 92.2 kev of energy. if the original beryllium atom is at rest, find the kinetic energies and speeds of the two helium atoms