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stira [4]
3 years ago
9

What is 4.07 cm x 2.3cm, rounded to the correct number of significant figures

Chemistry
1 answer:
Tom [10]3 years ago
8 0

Answer: 9.4cm^2

Explanation:

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What does Optimize means
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<em>Optimize means, modifying a system that may be a computer program, and/or a collection of computers or even network such as internet.</em>

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3 years ago
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HELP PLEASE: Increasing ____ raises the boiling point of a liquid.
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Pressure raises the boiling point



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2 years ago
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Warm and cold air come together and neither air mass moves what kind of front is that
Marrrta [24]

Answer:

Stationary front

Explanation:

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3 0
3 years ago
A 33.6 mL solution of KCl has a mass of 27.29 g. After evaporating to dryness, the dry salt residues has a mass of 6.31 g. Calcu
bixtya [17]

For  the molarity and the  percentage of the mass of kcl are mathematically given as

%m/m = 23.1%, molarity  = 3.38M

<h3>What is the molarity?</h3>

Generally, the equation for the  percentage of the mass of kcl is mathematically given as

(mass of kcl/mass of solution)x 100

therefore

%m/m = (6.31/27.29)x100

%m/m = 23.1%

The molarity

(no of mol/ vol of sol)

molarity  = 0.0846mol/0.0250 L

molarity  = 3.38M

In conclusion, the molarity is given as

molarity  = 3.38M

Read more about Molarity

brainly.com/question/9149034

4 0
2 years ago
Dalton incorporated the law of conversation of mass into his atomic theory by asserting that?
Nat2105 [25]

Answer;

A. atoms are indivisible.

Dalton incorporated the law of conversation of mass into his atomic theory by asserting that atoms are indivisible.

Explanation;

Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.

-According to Dalton; Elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass and other properties; atoms of different elements differ in size, mass and other properties. Atoms cannot be subdivided, created or destroyed.

4 0
3 years ago
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