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Vinvika [58]
3 years ago
14

Explain how changes in temperature affect the particle motion of a substance.

Chemistry
2 answers:
Svetach [21]3 years ago
6 0
The hotter/warmer the temprature.....the warmer the paritcles= the faster they move//// that means if a solid is hot the particles move fast enough to become a liquid:)
vodka [1.7K]3 years ago
5 0
The temperature tells whether or not energy can be released. like pulling a magnet away from  another one.
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Which of these statements is not true about chemical reaction rates
grin007 [14]

Answer: The statement (B) is not true about chemical reactions.

Explanation:

A chemical reaction rate is affected by the several factors few of which are temperature, concentration of reactants, surface area etc.

In a chemical reaction, if temperature is increased then the rate of reaction will increase because it will increase the average kinetic energy of the reactant molecules. Thus, large number of molecules will have minimum energy required for an effective collision.

It is known that increasing the amount of reactants will increase the rate of reaction.

Therefore, rate of reaction will change if concentration or temperature is changed.

Hence, the statement (B) is not true about chemical reactions.

6 0
3 years ago
Read 2 more answers
This planet has water in liquid, gas, and solid forms.
mart [117]

Answer:

earth

Explanation:

water vapor, water, ice

6 0
3 years ago
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Classify these compounds as acid, base, salt, or other.? 1. ch3oh 3. hno3 5. nabr
ELEN [110]
<span> </span><span>1. Alcohol(other) 
3. Acid 
5. Salt 

</span>
5 0
3 years ago
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A sample of kerosene has a mass of 36.4g. It’s volume is 45.6mL. What is the density of kerosene?
stira [4]

Answer:

<h2>Density = 0.8 g/cm³</h2>

Explanation:

The density of an object can be found using the formula

<h3>Density(\rho) =  \frac{mass}{volume}</h3>

From the question

mass of kerosene = 36.4 g

volume of kerosene = 45.6 mL

To find the density substitute the values into the above formula and solve

We have

<h3>Density =  \frac{36.4}{45.6}</h3>

= 0.7982

We have the final answer as

<h3>Density = 0.8 g/cm³</h3>

Hope this helps you

4 0
3 years ago
Which of the following is an internal adaptation that enables birds to fly?
just olya [345]
(B.Hallow bones because bones are inside the body
3 0
3 years ago
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