Answer:
11.9 g S
General Formulas and Concepts:
<u>Chem</u>
- Reading a Periodic Table
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
- Dimensional Analysis
Explanation:
<u>Step 1: Define</u>
2.23 × 10²³ atoms S
<u>Step 2: Define conversions</u>
Avogadro's Number
Molar Mass of S - 32.07 g/mol
<u>Step 3: Dimensional Analysis</u>
<u />
= 11.8758 g S
<u>Step 4: Check</u>
<em>We are given 3 sig figs. Follow sig fig rules.</em>
11.8758 g S ≈ 11.9 g S
Answer:
I think D.
Explanation:
The substances in a mixture are separated by the differences in their physical properties, such as their particle size. The more different the properties are, the easier it is to separate the substances.
Carbon can make four bonds. Since it is doubly bonded carbon, it means it can make two more bonds. So, two more hydrogen atoms could help in bond formation.
Two H atoms are attached to each carbon.
2 qualitative: she measures the cupcakes and finds the difference and she estimated that she would get bigger cupcakes if she put more eggs quantitive: she sees that the cupcake with 3 eggs is 0.25 centimeters taller than the cupcake with 2 eggs and she did not get any more extra cupcake even though the cupcake with 3 eggs was taller
Balanced Equation is
4H2SiCl2+4H2O → H8Si4O4 + 8HCl
