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Lorico [155]
3 years ago
15

Please help me answer this question! I don’t understand it at all!

Chemistry
1 answer:
pentagon [3]3 years ago
7 0
The uncertainty principle is one of the most famous (and probably misunderstood) ideas in physics. It tells us that there is a fuzziness in nature, a fundamental limit to what we can know about the behaviour of quantum particles and, therefore, the smallest scales of nature. Of these scales, the most we can hope for is to calculate probabilities for where things are and how they will behave. Unlike Isaac Newton's clockwork universe, where everything follows clear-cut laws on how to move and prediction is easy if you know the starting conditions, the uncertainty principle enshrines a level of fuzziness into quantum theory.
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If 1 mile = 5,280ft. how many miles are in 11,245ft​
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2.13 miles

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3 years ago
Which part of experimental design is most important to a scientist when replicating an experiment? Having exactly the same data
yarga [219]

Answer:

The answer to your question is below:

Explanation:

Having exactly the same data as the previous experiment I think that having the same data as the previous experiment is extremely important but not the most important, for me is the second most important.

Using the same procedure and variables as the previous experiment For me, this is the most importan thing when a scientist is designing an experiment, because if he or she follow exactly the same procedure and variables, then the results will be very close.

Conducting an experiment similar to the previous experiment  This characteristic is important but not the most important.

Using the same laboratory that was used in the previous experiment It is not important the laboratory, if the procedure and variables are the same, your experiment must give the same results in whatever laboratory.

5 0
3 years ago
Read 2 more answers
A 3.53g sample of (NH4NO3) was added to 80.0mlof water in a constant pressure calorimeter of negligible heat capacity. As a resu
raketka [301]
Mass of water = 80 x 18
= 1440 grams

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Heat absorbed from water = mCpΔT
= 1440 x 4.186 x (21.6 - 18.1)
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Moles of NH₄NO₃ = 3.53 / (14 + 4 + 14 + 16 x 3)
= 0.044 mol

Heat of solution = 21.1/0.044 kJ/mol
= 480 kJ/mol
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3 years ago
Which of the following is an endothermic reaction?
Black_prince [1.1K]
Dissolving table NaCl into water is an endothermic reaction
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marissa [1.9K]

Answer:

<em><u>1</u></em> C10H16 + <em><u>8</u></em> Cl2 --> <em><u>10</u></em> C + <em><u>16</u></em> HCl

4 0
2 years ago
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