According to Avogadro's Law, how many molecules of any gas at STP are present in a volume of 22.41 L?

a. 22.41 molecules c. 4.62*1015 molecules b. 3.08*107 molecules d. 6.02*1023 molecules

What number is considered neutral? (On the pH scale)

Which expression is equal to the number of grams in 2.43 kilograms

Consider the following compounds and suppose that 0.5 M solutions are prepared of each: NaI, KF, (NH4) Br, KF, KCN, KC2H3O2, CsNO3, and KBr. Which will have solutions that are (a) acidic, (b) basic, and (c) neutral

Why is an MRI is useful for diagnosing cancer but ineffective in treating it?

2. What is the importance of meiosis and fertilization in sexual reproduction?

A student asked to convert measurements from liters to mililiters and from mililiters to liters. His answers are shown in bold in the choices shown below. On which choice did he make a mistake?

Donald is making a model of a nitrogen atom. The box for nitrogen in the periodic table is shown. To represent a neutral atom, which of these must Donald include in his model?

What are the charges and relative masses of the 3 main subatomic particles

What three things happen in order for a chemical reaction to occur?

Before running other simulations, try to think of solutions to this global energy dilemma. Write a paragraph in response to the following questions: Should we invest more heavily in renewables at a high up-front financial cost, and/or should we