Answer:
Solids: definite shape and definite volume (highest density)
Liquid: indefinite shape and definite volume (glide past each other)
Gas: indefinite shape and indefinite volume (lowest density)
Explanation:
look at the answer
Reactants Hydrogen: 5
Products Hydrogen: 5
Reactants Carbon: 3
Products Carbon: 3
Reactants Oxygen: 4
Products Oxygen: 5
(B. 3) 172 All nonzero digits are significant.
(A. 4) 450.0 x 10^3 Trailing zeroes after the decimal point are significant.
(A. 4) 3427 All nonzero digits are significant.
(B. 3) 0.0000455 Leading zeroes are not significant.
(B. 3) 0.00456 Leading zeroes are not significant.
(C. 5) 2205.2 Zeroes between nonzero digits are significant.
(C. 5) 107.20 Trailing zeroes after the decimal point are significant.
(B. 3) 0.0473 Leading zeroes are not significant.
I would agree with the second one, not the first. You can't always see the chemical reaction, and it isn't always sudden. But the second claim is true.
mol=35:101.11 g/mol=0.346
formula units = 0.346 x 6.02 x 10²³ = 2.082 x 10²³
