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Goshia [24]
4 years ago
8

What is an electron cloud​

Chemistry
2 answers:
lora16 [44]4 years ago
8 0

Answer:

​the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. The region is defined mathematically, describing a region with a high probability of containing electrons.

Explanation:

WARRIOR [948]4 years ago
3 0

Answer:

The place where negative charges (electrons) surround the nucleus...kinda like an orbital

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Study the trend of the graph from part C. What would the reaction time be if 3 tablespoons (45 milliliters) of water had been us
tatyana61 [14]

Based on the trend  from the graph, the reaction time would have been 32.5 seconds.

<h3>What is the trend in the graph?</h3>

A trend is a general pattern which an observation follows based on previous observations and occurrences.

The reaction time is the time it take for a chemical reaction to occur.

Reaction time is also a measure of reaction rate. The shorter the reaction time, the faster the reaction rate and vice versa.

Based on the trend  from the graph, the reaction time would have been 32.5 seconds.

In conclusion, reaction time is a measure of reaction rate.

Learn more about reaction time at: brainly.com/question/24795637

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4 0
2 years ago
the specific temperature at which a substance changes from a liquid to a gas is an example of a a. chemical bond. b. chemical ch
9966 [12]
Physical property because going from a liquid to a gas doesn't change it's chemical composition only it's physical state
4 0
3 years ago
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What’s the molar mass for zinc nitrate? <br><br> i am failing my chemistry test right now
Vlad [161]
189.36 is the answer
7 0
3 years ago
The density of dry air measured at 25 Celsius is 1.19 times 10 to the negative 3 what is the volume of 50.0g of air
Oksana_A [137]

Answer:

4.2 x 10⁴ mL

Explanation:

Data Given:

Density (d) of air =  1.19 x 10⁻³g/mL

Mass of the air (m) = 50 g

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Solution:

Formula will be used

                d = m/V

As we have to find volume so rearrange the above equation

               V = m/d . . . . . . . . . . . (1)

Put values in above equation 1

                V = 50 g / 1.19 x 10⁻³g/mL

                V = 4.2 x 10⁴ mL

So,

volume of dry air = 4.2 x 10⁴ mL

4 0
3 years ago
Match each diagram above with its correct description. Diagrams will be used once.
Zinaida [17]
16 is C
17 is E
18 is B
19 is A
20 is D

hope this helps :)
6 0
3 years ago
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