Determine the number of atoms in 0.075 mol of Carbon (C) ?

a. 4.5 x 1022 atoms

b. 1.2 x 1023 atoms

c. c. 6.2 x 1023 atoms

d. 2.2 x 1024 atoms

Based in the rules of John Dalton, what is a possible hypothesis that could be tested in the Atomic Theory lab?

In a coffee-cup calorimeter, 50.0mL of 0.100M AgNO3 and 50.0mL of 0.100M HCl are mixed to yield the following reaction:Ag + (aq) + Cl - (aq) - --> AgCl (s) The 2 solutions were initially at 22.60 degree C, and the final temperature is 23.40 degree C.

Is gasoline an element compound solution or heterogeneous mixture?

How many electrons can the px atomic orbital subtype hold?

Use the periodic table to find the molar mass of each element. molar mass H = g/mol molar mass S = g/mol molar mass O = g/mol DONE

Write the formulas for the following compounds: (a) copper (l) cyanide, (b) strontium chlorite, (c) perbromic acid, (d) hydroiodic acid, (e) disodium ammonium phosphate, (f) potassium dihydrogen phosphate, (g) iodine heptafluoride, (h)

Name a complex salt used in silver-playing.

10. In what part of the world might you find Mystery Island (note: you will be given full-credit for simply attempting this question and you will find the actual answer in your teacher's feedback). Do not answer!

What are the spectator ions in this equation?

A quantity of 1.922 g of methanol (CH3OH) was burned in a constant-volume bomb calorimeter. Consequently, the temperature rose by 5.72°C. If the heat capacity of the bomb plus water was 9.