Why do people use symbols and numbers instead of equations in chemistry?

How many molecules of carbon dioxide are there in 44.0 grams of the gas? (atomic mass of carbon = 12.0 and atomic mass of oxygen = 16.0)

Calcium and bromine have formed a bond. Leading up to this, calcium gave up electrons. It was a (n)

Atoms in each element

Explain what happens to the average kinetic energy thermal energy and temperature of a substance when the particles in the substance slows down

Is the following sentence true or false? Clouds form when water vapor in the air condenses to form liquid water or ice crystals.

Sometimes a nuclide is referenced by the name of the element followed by the: Select the correct answer below: atomic number mass number electrical charge none of the above

What is the study of the relashionship of plants and animals with there physical environment

The students came to the conclusion that heart rates raise by 10 to 20 beats per minute after walking and 20 to 40 beats per minute after running. First, identify the independent (manipulating) and dependent (repsonding) variables.

Name of the molecular compound N2H4?

8. A text book has a mass of 22 lbs, The book is 8 inches by 15 inches by 11.77 inches. What is the density of the textbook using the values given? FLES $125.00