Answer:
(a) 52.2 mL helium
(b) 18.0 g nitrogen
(c) 78.5 mg MSG
(d) 23,600,000 mm wavelength
(e) 0.00420 kg lead
Rounded the numbers to three nearest significant figures.
b. The oxygen atom of a water molecule is more electronegative than a hydrogen atom.
c. The hydrogen atoms of a water molecule have a partial negative charge.
d. The hydrogen atom of one water molecule is attracted to the oxygen atom of a different water molecule.
e. The hydrogen atom of a water molecule is attracted to the oxygen atom of the same water molecule.
f. The oxygen atom of a water molecule has a partial positive charge.
g The oxygen atom of a water molecule has a partial negative charge.
Answer:
The answer to your question is below
Explanation:
a. The hydrogen atoms of a water molecule have a partial positive charge. True.
b. The oxygen atom of a water molecule is more electronegative than a hydrogen atom. True
c. The hydrogen atoms of a water molecule have a partial negative charge. False
d. The hydrogen atom of one water molecule is attracted to the oxygen atom of a different water molecule. True
e. The hydrogen atom of a water molecule is attracted to the oxygen atom of the same water molecule. False,
f. The oxygen atom of a water molecule has a partial positive charge. True
g The oxygen atom of a water molecule has a partial negative charge. True
The molecular mass of Carvone is calculated as;
= 12 (C)₁₀ + 1.008 (H)₁₄ + 16 (O)
= 120 + 14.112 + 16
= 150.112
%age of Carbon;
= (120 ÷ 150.112) × 100
= 79.94 %
%age of Hydrogen;
= (14.112 ÷ 150.112) × 100
= 9.40 %
%age of Oxygen;
= (16 ÷ 150.112) × 100
= 10.65 %
A. AlCl3 + H2 Al + HCl
B. Al + HCl AlCl3 + H2
C. Al HCl + AlCl3 + H2
D. Al + HCl AlCl3 + H2O
B. Al +HCI AICI3 +H2. I hope this helps