Chemistry 1 Question

A walkman uses a current of 2.0 A and has an internal resistance of 3.0 Ω, how many 1.5V batteries are required?

Use the concept of electron configurations to explain why the number of valence electrons in metals tends to be less than the number in most nonmetals.

Writing the hypothesis's the "if" and "then" format makes it Easier to predict More accurate to analyze Testable Hypothetical

Which property of gases allows you to smell popcorn when you walk into a movie theater?

When hydrogen sulfide reacts with oxygen, water and sulfur dioxide are produced. The balanced equation for this reaction is:

What happens to a reactant molecules when forming product molecules

Which is the atomic number of an atom with six valence electrons

O2 + CS2 → CO2 + SO2 Which of the following shows the equation balanced?

Convert 970. mm Hg to atm.

The addition of a catalyst in a chemical reaction (A) increases the concentration of products at equilibrium. (B) increases the fraction of reactant molecules with a given kinetic energy.