Describe two chemical reactions that require energy in order to occur

Which of the following are forms of asexual reproduction? Select three options. A. zygote formation B. binary fission C. fertilization D. fragmentation E. sporulation

In the analysis step of the scientific method, what is analyzed

The motions of your digestive system digest food and ___. a. CiliaB. Mucus c. Pathogens d. Acids

Determine the percent ionization of a 0.145 m hcn solution.

Solid waste is eliminated from the body through the esophagus agree or disagree

When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be? a) acidic b) basic c) neutral d) hot

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia