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Ronch [10]
2 years ago
14

3. Which term is defined as "anything that has mass and occuples space"?

Chemistry
2 answers:
ipn [44]2 years ago
6 0

Answer:

matter

Explanation:

Matter is anything that has mass and occupies space .

nordsb [41]2 years ago
3 0

Answer:

matter

Explanation:

All physical 'stuff'

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How many kilograms of solvent would contain 0.43 mol of CaO in a 2.5 molality solution
dalvyx [7]
<h3>Answer:</h3>

0.024 kg CaO

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Aqueous Solutions</u>

  • Molarity = moles of solute / liters of solution

<u>Atomic Structure</u>

  • Reading a Periodic Tables
  • Using Dimensional Analysis
<h3>Explanation:</h3>

<u>Step 1: Define</u>

0.41 mol CaO

2.5 M Solution

<u>Step 2: Identify Conversions</u>

1000 g = 1 kg

Molar Mass of Ca - 40.08 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of CaO - 40.08 + 16.00 = 56.08 g/mol

<u>Step 3: Convert</u>

  1. Set up:                                \displaystyle 0.43 \ mol \ CaO(\frac{56.08 \ g \ Cao}{1 \ mol \ CaO})(\frac{1 \ kg \ CaO}{1000 \ g \ CaO})
  2. Multiply:                              \displaystyle 0.024114 \ kg \ CaO

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs as our lowest.</em>

0.024114 kg CaO ≈ 0.024 kg CaO

4 0
3 years ago
Read 2 more answers
Before a child takes a bath, his mother mixes bubbles into bath water. Physical or Chemical Change?
NeX [460]

Answer:

chemical

Explanation:

6 0
3 years ago
Determine if the following two structures are
erastovalidia [21]

Answer:

             Identical

Explanation:

                   Both compounds are identical. If you rotate the compound on the left 60 degree anticlockwise you will get the compound on the right.

                   These are not isomers of each other because they have same structural and molecular formulas.

                   Also, they are related to each other because they are the same

7 0
2 years ago
If 3.50 moles of sodium chloride is added to your food, how many grams is added?
Ksenya-84 [330]

Answer:

204.8g

Explanation:

The number of moles of a substance is related to its mass and molecular mass as follows:

mole (n) = mass (m) ÷ molar mass (MM)

According to this question, 3.50 moles of sodium chloride (NaCl) is added to a food.

Molar mass of NaCl = 23 + 35.5

= 58.5g/mol

Using mole = mass/molar mass

Mass = molar mass × mole

Mass = 58.5g/mol × 3.5mol

Mass = 204.75

Mass = 204.8grams.

Therefore, 204.8grams of NaCl or common salt was added to the food.

7 0
3 years ago
What is an appropriate stepwise synthesis for the following synthesis that uses ethyl 3-methylbutanoate as the only source of ca
gayaneshka [121]

Explanation:

Using ethyl 3-methylbutanoate as your only source of carbon and using any other reagents necessary, propose a stepwise synthesis for the following conversion.

I need help drawing the product formed in step three.

Thanks!

6 0
3 years ago
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