Egg and sperm cells each contain half of the total chromosomes of a human.

“At the ________ stage of morality development, children obey because they are told to obey.”

A safe amount of alcohol during pregancy has been established.

What is the simplest behavior in which a stimulus provokes an autonomic response?

When 233.1 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed?

Given the equation 3A + B –> C + D, you react 2 moles of A with 1 mole of B. Which of the following is true?

[a]Fe + [b]H2O –> [c]Fe3O4 + [d]H2 

The physician orders acetaminophen 375 mg for a child weighing 31 pounds. The safe dose range for acetaminophen is 10-15 mg/kg/dose. What is the safe dose range for this child?  Is this a safe dose for this child?

Caleb weighs 120 pounds at 10 years old, what is his weight in kilograms to the nearest hundredth?

How many grams of NaOH are contained in 5.0 x 102 mL of a 0.74 M sodium hydroxide solution?