Hcl + naoh → nacl + h2o if 30 g of hcl is combined with 20 g of naoh, which is the limiting reactant?

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?