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Inessa [10]
3 years ago
8

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Chemistry
1 answer:
goldenfox [79]3 years ago
4 0
When the temperature increases, the kinetic energy of the particles increase this inturn makes them vibrate
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Battery
Katyanochek1 [597]

Answer:

A circut is comepleted

Explanation:

7 0
2 years ago
A 2.50 g sample of zinc is heated, then placed in a calorimeter containing 65.0 g of water. Temperature of water increases from
USPshnik [31]

Answer:

719.83°C

Explanation:

The heat that the sample of Zinc gives is equal to the heat that water is absorbing. That is:

C(Zn) * m(Zn) * ΔT(Zn) = C(H2O) * m(H2O) * ΔT(H2O)

<em>Where:</em>

<em>C is specific heat (Zn: 0.390J/g°C; H2O: 4.184J/g°C)</em>

<em>m is mass (Zn: 2.50g; H2O: 65.0g)</em>

<em>ΔT (Zn: ?; H2O: (22.5°C - 20.0°C = 2.50°C)</em>

<em />

Replacing:

0.390J/g°C * 2.50g * ΔT(Zn) = 4.184J/g°C * 65.0g * 2.50

ΔT(Zn) = 697.33°C

As final temperature of Zn is 22.50°C, initial temperature is:

Initial temperature: 697.33°C + 22.50°C

719.83°C

<em />

3 0
3 years ago
How many moles of He are in 16 g of the element? 1.0 mol 4.0 mol 8.0 mol 16 mol
Lady bird [3.3K]

Answer: 4 Mole

Explanation:

16/4 = 4

4 0
3 years ago
Which of the following is a chemical property of a base?
juin [17]

Answer:

D) forms hydronium ions in water

Explanation:

Texture and conductivity are physical properties which makes answer A and B wrong. Answer C does not refer to a chemical reaction.

4 0
3 years ago
Read 2 more answers
Which equation demonstrates that nuclear fusion forms elements that are heavier than helium
GrogVix [38]

Answer: The correct option is 2.

Explanation: There are two types of nuclear reactions:

1) Nuclear fission: These reactions are defined as the reactions in which a heavier unstable nuclei breaks into two or more smaller stable nuclei.

2) Nuclear fusion: These reactions are the ones where two smaller nuclei fuse together or combine together to form a larger nuclei.

In the question, we need to find the fusion reaction which forms elements heavier than helium.

Option 1: In this fusion reaction occurs but the nuclei is Helium itself.

Option 2: In this also fusion reaction occurs and the nuclei is heavier than Helium which is Neon.

_8^{16}\textrm{O}+_2^4\textrm{He}\rightarrow _{10}^{20}\textrm{Ne}

Option 3 and Option 4: These two reactions are nuclear fission reactions of Uranium-235 because one heavier element is breaking into more than 2 products.

Hence, the correct option is 2.

8 0
2 years ago
Read 2 more answers
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