What I think is the charge of nucleus is the proton+neutron
Answer: A
Explanation:
Plants take in sunlight, water, carbon dioxide. The produce sugar (glucose) and other things. It could not be deforestation. It can't be evaporation, that is from the water cycle. It cant be C due to it talking about precipitation, which is also from the water cycle. Therefore, it can only be A
The splitting apart of an ester in the presence of a strong acid and water is called hydrolysis.
<h3>
Answer:</h3>
126 g Fe
<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
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
2.25 mol Fe
<u>Step 2: Identify Conversions</u>
Molar Mass of Fe - 55.85 g/mol
<u>Step 3: Convert</u>
- Set up:

- Multiply:

<u>Step 4: Check</u>
<em>Follow sig fig rules and round. We are given 3 sig figs.</em>
125.663 g Fe ≈ 126 g Fe
Answer:
2.85
Explanation:
pOH = - log[OH⁻] = -log(0.0014) = -(2.85) = 2.85