Questions in Grade High-school

Questions in Grade High-school

[Free] Is a strong acid: a. NaC₂H₃O₂ b. HC₂H₃O₂ c. KCl d. NH₃ e. HCl

[Free] The early Eastern European Slavic civilization at Kiev adopted the Eastern Orthodox religion, the Cyrillic alphabet, and certain styles of art and architecture as a result of (1) wars with Japan (2) conquests by Mongol invaders (3) visits to Western European countries (4) trade with the Byzantine Empire

[Free] For masters in Algebra: Evaluate the function \( w(n) = 4n + 2 \). Find \( w(3n) \). Once solved, please provide a brief explanation. I got two different numbers for it.

[Free] The portion of the DNA molecule that can vary is its: A. sugar B. base C. deoxyribose D. ribose E. phosphate

[Free] Community interactions include: a. predation b. competition c. symbiosis d. all of the above

[Free] What are the factors of [tex]3x^2 + 7x - 20[/tex]?

[Free] What prominent sea floor feature is found in the central Atlantic Ocean?

[Free] Calculate the average increase in world grain production per person per year from 1950 to 1984, given the following information: - In 1950, the production was 247 kg per person. - In 1984, the production was 342 kg per person.

[Free] What is the type of bond between atoms of potassium and chloride in a crystal of potassium chloride? A. hydrogen bond B. ionic bond C. polar covalent bond D. pure covalent bond E. metallic bond

[Free] A voltaic cell is set up, and a chemical reaction proceeds spontaneously. Which of the following will not occur in this reaction? A. The electrons will migrate through the wire. B. The cations in the salt bridge will migrate to the anode half-cell. C. The cathode will gain mass. D. The anode will lose mass. E. Reduction will occur at the cathode.