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bazaltina [42]
3 years ago
8

Ex of physical Properties

Chemistry
2 answers:
sesenic [268]3 years ago
6 0

Answer:

Explanation:

physical properties include:

colour

shape

size

taste

etc............

Zigmanuir [339]3 years ago
3 0
Examples of physical properties are
-Viscosity
-Conductivity
-Malleability
-Hardness
-Melting Point
-Boiling Point
-Density
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A 2.87 g sample of carbon reacts with hydrogen to form 3.41 g of car fuel. What is the empirical formula for the car fuel?
olga_2 [115]

CH₇ is the empirical formula of the car fuel.

Explanation:

To find the empirical formula we use the following algorithm.

First divide each mass the the molar weight of each element:

for carbon 2.87 / 12 = 0.239

for hydrogen 3.41 / 2 = 1.705

And now divide each quantity by the lowest number which is 0.239:

for carbon 0.239 / 0.239 = 1

for hydrogen 1.705 / 0.239 = 7.13 ≈ 7

The empirical formula of the car fuel is CH₇.

I have to tell you that in reality this formula is wrong because is not possible to exist. However the algorithm for finding the empirical formula is right, the problem may reside in the amounts of carbon and hydrogen given.

Learn more about:

empirical formula

brainly.com/question/5297213

#learnwithBrainly

5 0
3 years ago
NEED HELP ASAP!!! TYSM!!!! What are the coefficients when the following equations are balanced?
vitfil [10]
CH4+2O2–>CO2+2H2O

4Fe+3O2–>2Fe2O3
5 0
2 years ago
What is the solubility of MgCO₃ in a solution that contains 0.080 M Mg²⁺ ions? (Ksp of MgCO₃ is 3.5 × 10⁻⁸)
Alchen [17]

Answer: 4.4 x 10^-7

Explanation:

The dissociation equation for this reaction is:

MgCO3 (s) → Mg+2 (aq) + CO3-2 (aq)

\text { So, } k_{s p}=(x+0.08) x (Here 0.08 >>> x )

\begin{aligned}\Rightarrow 3.5 \times 10^{-8} &=0.08 \times x \\\Rightarrow x &=\frac{3.5}{0.08} \times 10^{-8} \\&=4.37 \times 10^{-7} \\\Rightarrow x & \approx 4.4 \times 10^{-7} \mathrm{~M}\end{aligned}

So the solubility MgCO₃ in a solution that containing 0.080 M Mg²⁺ is 4.4 x 10^-7

7 0
2 years ago
Explain a plastic gayer
yan [13]

Answer:   seach it up

Explanation:

3 0
2 years ago
Conduction is when heat is transferred through
Nastasia [14]
The correct answer is a the sun
3 0
3 years ago
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