In the past, people believed that the: A) Sun revolved around the earth B) Sun was the center of the solar system C) Earth revolved around the moon D) Earth revolved around the sun

Which statement best describes the difference between a scientific theory and a scientific law A. A scientific theory is supported by more data than a scientific law. B. A scientific theory can be explained observations. C.

What element is being oxidized in the following redox reaction? MnO4 (aq) + H2C2O4 (aq) → Mn2 + (aq) + CO2 (g)

A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/K. The observed increase in temperature is 21.

Which substance accounts for nearly 80 percent of Earth's atmosphere? A. oxygen B. nitrogen C. carbon dioxide D. argon

What is a polyatmic atom?

What is a contributor of global warming? a. aerosol sprays b. carbon dioxide c. acid rain d. garbage

How is momentum similar to inertia? Explain.

Suppose that 0.00150 moles of CO2 (44.0 g/mol) effuse out of a pinhole in 1.00 hour. How many moles of N2 (28.0 g/mol) would effuse out of the same pinhole in 1.00 hour? Assume both gases are at the same temperature and pressure.

How do you make glue from jack fruit sap?

A compound is broken down by chemical means during (1) chromatography (2) distillation (3) electrolysis (4) filtration