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Artyom0805 [142]
3 years ago
13

1. Define flash flood.

Chemistry
2 answers:
BigorU [14]3 years ago
7 0
A flash flood is when to much water overflows a certain area. This is common with storms. When it rains; small bridges tend to floor. Garages, basements, and cellars can tend to flood as well from storms.
sp2606 [1]3 years ago
6 0
In the time of severe weather with heavy rain, there is usually floods that happen really quickly and suddenly, known to be a flash flood. When extra water fills the empty water bed with flowing river, then suddenly water rapidly rises in a short amount of time.
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How long can a sunflower grow? Hypothesis
Ghella [55]

Answer:

Up to 80 - 120 days.

Explanation:

The flower will probably stay six to twelve days or so.

I'm not sure what's your hypothesis going to be, but I'll give you an example.

" <em>If</em>  I __________, <em>then</em> the sunflower will grow up to 80 to 120 days."

In the blank space, you can write what you're going to do to your sunflower during the experiment.

Please correct me if I'm wrong.

5 0
3 years ago
Are hydrogen bonds formed between all molecules
Alenkinab [10]

No, there is a rule called HONC... they could also bond with o2, n, and c
5 0
4 years ago
Read 2 more answers
What is the halogen in period 5?? it has six letters
Misha Larkins [42]
Simple,

take a look at your periodic table, if you have it labeled look at the Halogen

Group, it includes: Flourine, Chlorine, Bromine, Iodine, and Astatine.

Now, a period on the periodic table is read from left to right, and goes

down the rows of the periodic table.

Go to Period 5, go all the way to the Halogens, what is there? 

Iodine.

Thus, your answer.
8 0
3 years ago
How to balance and classify these equations?1-13
andrew-mc [135]
Well first you need to convert all the substances into there other name. For example: you would change #1 to Mg+O=MgO. That would be known as a synthesis reaction.
5 0
4 years ago
A sample of argon gas at stp occupies 56.2 liters. determine the number of moles of argon and the mass in the sample. for the ab
andreev551 [17]
We can use the ideal gas law equation to find the number of moles;
PV = nRT
where P - pressure
V - volume - 56.2 x 10⁻³ m³
n - number of moles
R - universal gas constant - 8.314 Jmol⁻¹K⁻¹
T - temperature 
standard temperature is 273 K
and standard pressure - 101 325 Pa
we can rearrange the equation to find the number of moles 
n =  \frac{PV}{RT}
substituting the values in the equation 
n =  \frac{101325Pa*56.2 x 10⁻³ m³}{8.314 Jmol⁻¹K⁻¹*273K}
n = 2.51 mol 
molar mass of Ar - 40 g/mol
mass of Ar in the sample - 2.51 mol x 40 g/mol = 100.4 g
7 0
4 years ago
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