In chemical equations, as long as all of the coefficients are the same on both sides of the equation, the equation is balanced.
true
false

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .