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ahrayia [7]
3 years ago
11

What do scientists use to increase the surface area of a solute? heat a beaker a mortar and pestle a flask a stir bar

Chemistry
2 answers:
zhenek [66]3 years ago
6 0
A motor and pestle C
Novay_Z [31]3 years ago
4 0
Mortar and pestle could be used to break solute into smaller pieces, which would increase surface area
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5. When. 0.333g of a particular molecular compound dissolves in 33.3 grams of benzene, the freezing point was observed to drop b
Ivanshal [37]

The molecular weight of the molecular compound is

x= 105.57 g/mol

<h3>What is the molecular weight of the molecular compound?</h3>

Generally,a  the equation for Mole of molecular compound is  mathematically given as

Mm= mass / molar mass

Therefore

Mm= 0.333 g / x

the equation for Morality

M = mole of solute / mass of solvent

M = \frac{(0.333 g / x )}{33.3 g / 1000 }

M= 10 / x

the equation for change in temp dt

dt= K* morality

Therefore

0.485 = \frac{5.12}{ * 10/ x}

x = (5.12 *10) / 0.485

x = 105.57 g/mol

In conclusion, molecular mass of molecular compound

x= 105.57 g/mol

Read more about molecular compound

brainly.com/question/23088724

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3 0
1 year ago
Consider the following mechanism: O3 =&gt; O2 + O NO + O =&gt; NO2 What is the role of O2? A. intermediate B. catalyst C. reacta
Daniel [21]

Answer:

The correct answer is option D.

Explanation:

Step 1: O_3\rightarrow O_2+O

Step 2: NO+O\rightarrow NO_2

Overall reaction can be determined  by adding all the reactions of mechanism:

O_3+NO\rightarrow O_2+NO_2

Reactants in an overall reaction = O_3\& NO

Products in an overall reaction = O_2\& NO_2

According to question , the role of oxygen gas is product.

5 0
3 years ago
The average atomic mass recorded on the periodic table for cobalt is 58.933 u. This indicates that the most abundant isotope of
OleMash [197]
The average atomic mass of the element is the sum of the products of the percentage abundance of isotope and its mass number. Therefore, for atomic mass equal to 58.933, the most abundant isotope is cobalt-59. Thus, the answer is letter C. 
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3 years ago
Measuring Volume
Dvinal [7]
Seems right, but if it’s just asking for one i would pick B
7 0
1 year ago
What is force and motion
Elza [17]
Force is a strength or energy as an attribute or physical action or movement, motion is the action or process of moving or being moved
5 0
3 years ago
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