Which elements, when they have to, can have more than

eight electrons around them? How is this rationalized?

Earthworms are classified as what type of worm

149.3 g of H2O at 95 ◦C is poured over 412 g Fe at 5 ◦C in an insulated vessel. What is the final temperature? The specific heat of H2O is 4.184 J / g· ◦C, the specific heat of Fe is 0.444 J/g · ◦C. Answer in units of ◦C.

Why sodium chloride is hard but sodium metal is soft?

What is the pH of a 0.025 M [OH-] solution? a. 0.94 b. 1.60 c. 9.60 d. 12.40

Use the information in the table below to answer the following question: Lake Volume Buffer (CaCO3) Concentration Squirrel Lake, 80,000 Liters, 2 mg/L Moose Lake, 100,000 Liters, 1.

Which of the following is the result of the process that binds many amino acids on to another? a. protein b. allele c. dna d. rna

What does the electron transport chain do to the concentration of hydrogen ions (protons) ?

What is the cation name for alcl3?

Moles of hydrogen gas (14) 0.00336 mol 0.00481 mol Moles of hydrogen per g sample (n*,) mol/g mol/g

A hurricane and a typhoon are the same thing true or false?