In North America, where is population density the highest?

A. Near the coasts and Great Lakes

B. Along the east coast

C. In the midwestern region

D. California

Katie rolls a toy car off the end of a table ? A B C D

What is the rate of the reaction 4 nh3 + 5 o2 → 4 no + 6 h2o when 0.0500 mol/l of nh3 is being consumed per second? 1. 0.0125 m·sec-1 2. one of the other answers has the right number but the units are wrong. 3. - 0.0125 m·sec-1 4. 0.200 m·sec-1 5.

Why don't magnets attract to wooden objects

When solid melts or liquid evaporates the temp remains constant. Why?

Propane and oxygen react according to the equation: C₃H₈ (g) + 5O₂ (g) → 3CO₂ (g) + 4H₂O (g). How many grams of water can be produced from the complete combustion of 2.0 moles of C₃H₈ (g) ? a. 144.0 b. 82.0 c. 8.0 d. 44.8 e. 22.4

When a spring is compressed, the energy changes from kinetic to potential which best describes this change?

Which of the following elements is classified as a nonmetal Xe Ca Sb Cu

What two quantities does the AVEE measure

A compound is made of copper, nitrogen, and oxygen atoms. A sample of the compound has 6.4 grams of copper, 2.8 grams of nitrogen and 9.6 grams of oxygen. The compound has a molar mass of 188 g/mol. Write the name and formula of the compound.

Identify the products when zinc metal is exposed to H2S gas