1-B
2-H
3-D
4- I'm not sure
5-D
6- I'm not sure
I'm sorry i don't know what to do for 4 and 6 it's been a while since I've studied the water cycle but I hope what I do know gives you some help
Answer: 28.5 g
Explanation:
1 mole of every substance contains Avogadro's number of particles and weighs same as it's molecular weight.
Here 1 mole of contains molecules of and it weighs
molecules weigh 44g
molecules weigh =
= 28.5g
Answer:
chemical change
Explanation:
itit is a chemical change because they are both gases and gases mixed together would be chemical change
It would have THREE rings/energy levels. This is because of the amount of electrons each orbital can hold.
<h3>
Answer:</h3>
0.0520 mol Zn
<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>
<u>Stoichiometry</u>
- Using Dimensional Analysis
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
3.40 g Zn
<u>Step 2: Identify Conversions</u>
Molar Mass of Zn - 65.39 g/mol
<u>Step 3: Convert</u>
- Set up:
- Divide:
<u>Step 4: Check</u>
<em>Follow sig fig rules and round. We are given 3 sig figs.</em>
0.051996 mol Zn ≈ 0.0520 mol Zn