Write a balanced chemical equation for the fermentation of sugar (c12h22o11) by yeasts in which the aqueous sugar reacts with water to form aqueous ethyl alcohol (c2h5oh) and carbon dioxide gas.

A wafer of gold measuring 15 cm x 20 cm has a mass of 600 g. How thick is this wafer in mm?

If 22 mL of 0.137M MgCl2 is needed to completely react 15 mL of AgNO3 solution, what is the molarity of AgNO3?

What is the formula for percent yield

Starting with 1.5052g of BaCl2•2H2O and excessH2SO4, how many grams of BaSO4 can be formed?

1. Which one of the following is not a step used for balancing chemical equations? A. Always change subscripts to balance an equation B. Write the chemical equation using formulas and symbols C.

When making a solution of sugar and water, you begin with a 500 ml beaker, 10 grams of sugar, and 400 ml of distilled water. which procedure will allow you to dissolve the most sugar in the least amount of time?

What is the definition of covalent bond?

How many grams of H2O will be produced if 18.1 grams of Fe are produced? Fe3O4 + H2 - Fe + H20 Select one: O a. 7.8 Ob. 75 O c. 17 O d. 1.5

1. Where are the most massive elements found on the periodic table? A at the bottom right B at the top right C at the top left D at the bottom left

Lenny accidentally drops his matchbox car into a graduated cylinder. if the car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. determine the density of the matchbox car. the formula for density is d = m v