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denis23 [38]
2 years ago
11

Balance the following equation: C7H602 + 02 -- CO2 + H20

Chemistry
1 answer:
azamat2 years ago
5 0

Answer:

Explanation:

2C7H6O2 + 15O2 → 14CO2 + 6H2O.

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Help me please thank you
lora16 [44]

Answer:

B. Uranium breaks down ti produce heat.

Explanation:

In fission, heavy nucleus split into lighter nucleus.. And energy release in this process in the form of heat.

3 0
3 years ago
The density of an unknown metal was determined to be 2.85 g/ml. the actual density was 2.70 g/ml. what is the percent error in t
Tasya [4]
% error = \frac{|experimental - theoretical|}{theoretical} x 100%

Experimental: 2.85
Actual (theoretical): 2.70

% error = \frac{2.85-2.70}{2.70} x 100% = .055555 x 100% = 5.56%
7 0
3 years ago
The formula for a chemical reaction is given. 2Na + 2H2O → 2NaOH + H2 Which of the following describes this reaction? Group of a
professor190 [17]
It is a reaction between an element and a compound that results in a different element and compound
5 0
3 years ago
What pressure will be exerted by 0.450 mol of a gas at 25°C if it is contained in a 0.650-L vessel?
iVinArrow [24]

Hey there!

The answer as well as the explanation is in the image attached. Let me know if there's anything you're unable to see.

Hope this helps!

5 0
3 years ago
Develop a demonstration to show how weight is not the same thing as mass
maksim [4K]

Answer with Explanation:

"Mass" and "weight" should never be used interchangeably with each other. Mass refers to the <u>total amount of matter</u><u> that can be measured in an object, </u>while weight refers to the<u> measure of the</u><u> force of gravity</u><u> that is acting on the object's mass.</u>

The mass of an object is<u> constant</u> (meaning, it doesn't change even if the object will be placed on another location) while the weight of an object relies on the <em>force of gravity.</em> So, this means that your mass on Earth and on the moon are identical, however, your weight on Earth and on the Moon are different. You will weigh lesser on the Moon because it has a lesser surface gravity than that of Earth.

So, this explains the answer.

4 0
3 years ago
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