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max2010maxim [7]
3 years ago
6

How do you think the temperatures of these two cooking appliances compare?

Chemistry
1 answer:
asambeis [7]3 years ago
6 0
What is the two coking appliances 

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Given: 2NaCl the 2 is:
Vanyuwa [196]

Answer:

The answer to your question is the letter C.

Explanation:

Data

        2NaCl

When we write molecules we use numbers in two main different ways.

If the coefficients are at the beginning of the molecule, this number indicates the number of molecules presented.

If there are subscripts, this number indicates the quantity of that specific element.

So the correct answer is letter C because it describe the correct function of this coefficient.

5 0
3 years ago
Waves with the longest wavelengths have the ___________ frequency and the ___________ energy.
vovangra [49]

Answer:

smallest, smallest

Explanation:

Waves with the longest wavelengths have the _smallest__________ frequency and the __smallest_________ energy.

4 0
3 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
Which one is not a form of energy?​
yuradex [85]

Please add you assignment.

6 0
3 years ago
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Feliz [49]
Hi! How is your day?
3 0
3 years ago
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