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andrezito [222]
3 years ago
13

Most tornadoes carry wind speeds that range from

Chemistry
1 answer:
gtnhenbr [62]3 years ago
6 0
In the categorization of tornadoes, most tornadoes (87%) are no stronger than EF1 unless 'most' is considered 55% in which case the answer is EF0. 
EF0 - 65 to 85 mph {104.61 to 136.79 km/h}EF1 - 86 to 110 mph {138.40 km/h to 177 km/h}
Hence the answer would have to be C
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What is the total number of moles of solute contained in 0.5 liter of 3.0 m
myrzilka [38]

Based on science 4) 1) 0.25M  

2) 0.66M  

3) 1.5M  

4) 4.0M ––> Therefore, this is the most concentrated  

5) 30g NaOH(1 mol NaOH / 40gNaOH) = 0.75 mol NaOH / 0.500L = 1.5M NaOH (3)  

6) 1) 1.0 mol / L(1 L) = 1 mol H2SO4  

2) 1 mol / L (2 L) = 2 mol H2SO4  

3) 0.50 mol / L ( 1.0L) = 0.50 mol H2SO4 ––>

7) 0.200 mol / L (1 L)(74.6g / mol) = 14.92g (2)  

8) 0.25 mol / 0.250 L = 1 mol / L = 1M (1)  

This is the answer  : 1m

4 0
3 years ago
What is the concentration (M) of CH3OH in a solution prepared by dissolving 12.5 g of CH3OH in sufficient water to give exactly
timurjin [86]

Answer:

1.7 M

Explanation:

Concentration is the number of moles of solute dissolved in 1 L of solution

Concentration = number of moles of solute / volume of solution

Number of moles of solute needs to be calculated first

Mass of methanol - 12.5 g

Molar mass of methanol - 32 g/mol

Number of methanol moles - 12.5 g / 32 g/mol = 0.39 mol

Therefore concentration is = 0.39 mol / 0.230 L = 1.7 mol/L

Concentration is 1.7 M

6 0
3 years ago
Please help fast please!!!
Natali [406]

Answer:

welcome to the picture

Explanation:

ok let get it ok finish

5 0
3 years ago
If you had 100 ml of juice, how many milliliter would de fruit juice?
Julli [10]
Since the measurement is not changing, the answer is 100 mL. Hope this helps.
8 0
3 years ago
Which of these actions would increase heat transfer between two objects?
klasskru [66]

Heat transfer is the phenomenon that occurs when the two objects are in the vicinity of each other and by increasing the area of their contact. Thus, option B is correct.

<h3>What is heat transfer?</h3>

Heat transfer is a process that flows the heat from one system to another, and is because of the difference in the temperature of the two objects that are part of the system.

The methods like conduction, convection, and radiation transfer the heat from the surface area to the other object. The heat gets transferred from the area of high to the low temperature.

Therefore, option B. by increasing the surface area the heat transfer increases.

Learn more about heat transfer here:

brainly.com/question/17823456

#SPJ1

5 0
2 years ago
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