White light is made up of all colors of the rainbow, so it could reflect Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
The light that is reflected is the color that we see because it reflects into our eyes.
Since we see that the paper is red, the red light is being reflected which causes us to see red.
Answer:
Grams (Metric Base Units)
Cant see the full question
But I hope this helps
Explanation:
213,000 can be rewritten as 2.13*10^5. This tells us that it has has 3 significant digits.
Your correct answer is b. It has three significant figures.
<h3>
Answer:</h3>
2.08 × 10⁻¹² mol H₂SO₄
<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>
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<u>Stoichiometry</u>
- Using Dimensional Analysis
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
1.25 × 10¹² molecules H₂SO₄
<u>Step 2: Identify Conversions</u>
Avogadro's Number
<u>Step 3: Convert</u>
- Set up:
- Multiply/Divide:
<u>Step 4: Check</u>
<em>Follow sig fig rules and round. We are given 3 sig figs.</em>
2.07572 × 10⁻¹² mol H₂SO₄ ≈ 2.08 × 10⁻¹² mol H₂SO₄