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Studentka2010 [4]
3 years ago
10

What's a good science project?

Chemistry
2 answers:
Shtirlitz [24]3 years ago
6 0
I would look up STEM fair projects, I recently had to do one for AP chem but in all honesty my project kinda sucked, haha. It was basically figuring out if the initial temperature of a substance affected the rate at which it froze.
KengaRu [80]3 years ago
5 0
Pour Milk In A Bowl, Add Lots Of Food Dye Colors But Don't Mx Them In. Take A Q-Tip And Dip It In Dish Soap. Stick It In The Milk's Center and WOAH COLOR EXPLOSION. This Reaction Works Because The Soap Is Breaking Down The Fat In The Milk, And The food dye lets you SEE THAT PROCESS!
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Help please .............​
lapo4ka [179]

Answer:

And what is your question

Explanation:

3 0
3 years ago
How many atoms are there in 7.80 moles of germanium
Orlov [11]
<h3>Answer:</h3>

4.70 × 10²⁴ atoms Ge

<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>Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3>Explanation:</h3>

<u>Step 1: Define</u>

7.80 mol Ge

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

Avogadro's Number

<u>Step 3: Convert</u>

\displaystyle 7.80 \ mol \ Ge(\frac{6.022 \cdot 10^{23} \ atoms \ Ge}{1 \ mol \ Ge} ) = 4.69716 × 10²⁴ atoms Ge

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

4.69716 × 10²⁴ atoms Ge ≈ 4.70 × 10²⁴ atoms Ge

8 0
2 years ago
What is a potential benefit of fuel cell cars?
77julia77 [94]

Answer:

no recharging necessary

3 0
3 years ago
Read 2 more answers
HELP 20 Points? thank u guysssss
Fudgin [204]

Answer:

The answer is A. Chemical

Explanation:

Have a nice day

3 0
3 years ago
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Is it possible to make CD without plastic? why or why not?
Kisachek [45]
I think it is not possible to make cd without plastic . because except plastic no other material is so durable for making cd.
5 0
3 years ago
Read 2 more answers
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