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Inga [223]
4 years ago
11

Why does reducing solute particle size increase the speed at which the solute dissolves in water? A. It exposes more of the solu

te to the water molecules. B. It makes the temperature of the water significantly higher. C. It raises the pressure of the water molecules on the solute. D. It makes the water molecules move around faster.
Chemistry
1 answer:
Umnica [9.8K]4 years ago
3 0

Answer:A

Explanation:For a given amount of solute, smaller particles have greater surface area. With greater surface area, there can be more contact between particles of solute and solvent.

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Consider the Van der Vaals equation of state: (????+????????????)(????−????)=???????????? where p is pressure, V is volume, n is
yanalaym [24]

Answer:

Units of a = \frac{atm\ L^2}{mol^2}

Units of b = \frac{L}{mol}

Explanation:

The Van der Waal's equation  is:-

\left(P+\frac{an^2}{V^2}\right)\left(V-nb\right)=nRT

Where,

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value

a and b are van der Waal's constant

If pressure is taken in atm and volume in L. So,

P+\frac{an^2}{V^2} represents the pressure correction term. Then,

Units of a = \frac{atm\ L^2}{mol^2}

V-nb represents the volume correction term. Then,

Units of b = \frac{L}{mol}

6 0
3 years ago
How do I find the rate of reaction on a graph
Nonamiya [84]

Rate of reaction can be understood as the rate of change of the materials, such as the rate of depletion of the reactants or the rate of production of products.  Therefore, if a graph of concentration and time is plotted, the rate of reaction is simply the slope of the graph.

3 0
3 years ago
How are scientific methods used?
dalvyx [7]
Scientific methods are used to study living things or investigate questions and solve problems.
4 0
3 years ago
Is thiamine mononitrate an ionic bond or covalent bond?
MrRa [10]
It is a covalent bond. Whenever a compound uses such suffixes like mono, di, tri, tetra, and so on, it is a covalent compound- thus having covalent bonds.
5 0
3 years ago
Read 2 more answers
What is the molarity of .0000000342 grams of adenosine 3'5' cyclic monophosphate (CAMP) in one lite
Doss [256]

<u>Answer:</u> The molarity of solution is 1.0388\times 10^{-10}M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}

We are given:

Mass of solute (CAMP) = 0.0000000342 g

Molar mass of CAMP = 329.21 g/mol

Volume of solution = 1 L

Putting values in above equation, we get:

\text{Molarity of solution}=\frac{0.000,000,0342g}{329.21g/mol\times 1L}\\\\\text{Molarity of solution}=1.0388\times 10^{-10}M

Hence, the molarity of solution is 1.0388\times 10^{-10}M

8 0
3 years ago
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