Answer:
The correct answer is C. 44.8 L
Explanation:
22.4 × 2 = 44.8
Answer:
breaking glass
Explanation:
breaking glass cant be reversed
The state of matter is liquid.
Answer:
last option that is
F2(g) + Ca(s) —> CaF2 (s)
Explanation:
it had to be either 2nd or 4th bc the product to be obtained was Calcium Fluoride with molecular formula CaF2.
2nd couldn't be the answer as CaF2 isn't formed in liquid state but in solid state as given in option 4.
- (l)/ (s)/ (g) represents the state of the substance ,I.e, if the substance is in liquid solid or gaseous state respectively.
<h3>
Answer:</h3>
7.51 × 10²² atoms S
<h3>
General Formulas and Concepts:</h3>
<u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Chemistry</u>
<u>Atomic Structure</u>
- Reading a Periodic Table
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
4.00 g S
<u>Step 2: Identify Conversions</u>
Avogadro's Number
Molar Mass of S - 32.07 g/mol
<u>Step 3: Convert</u>
- Set up:
- Multiply:
<u>Step 4: Check</u>
<em>Follow sig figs and round. We are given 3 sig figs.</em>
7.51107 × 10²² atoms S ≈ 7.51 × 10²² atoms S