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3 years ago

What happens when warm air rises? (5 points)

Chemistry

2 answers:

Alika [10]3 years ago

7 0

The movement creates a difference in air pressure.

When warm air rises it goes up to top of atmosphere.
The cold air remains at bottom.
Which makes a blank space in between.
To fill that space air comes from all sides
Which makes difference in pressure.
It becomes reason for creation of Tornado, hurricane,Cyclones etc

vodka [1.7K]3 years ago

3 0

Answer:

When warm air rises it goes up to top of atmosphere.

The cold air remains at bottom.

Which makes a blank space in between.

To fill that space air comes from all sides

Which makes difference in pressure.

It becomes reason for creation of Tornado, hurricane,Cyclones etc

Explanation:

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36.4 g of SnCl2 is dissolved in 135.7 mL of water.

Yuki888 [10]

Answers:

1st: 189.6 g/mol

2nd: 0.1357 L

3rd: 1.41 M

Explanation:

Finding Molar Mass:

SnCl2 = Tin(II) Chloride

Tin has a molar mass of 118.71 g/mol

Chloride has a molar mass of 35.453 g/mol

Chloride*2 = 70.906

118.71 + 70.906 ≈ 189.6 g/mol

Finding Liters of Solution:

L = mL/1000

135.7 mL / 1000 = 0.1357

Finding Molarity:

molarity = moles of solute / liters of solution

M = (36.4g / 189.6g) / 0.1357 L = 1.41 M

Hope this helped ;)

6 0

2 years ago

Methanol (ch3oh), also called methyl alcohol, is the simplest alcohol. it is used as a fuel in race cars and is a potential repl

erica [24]

Answer:

%age Yield = 51.45 %

Solution:

Step 1: Convert Kg into g

68.5 Kg CO = 68500 g CO

8.60 Kg H₂ = 8600 g

Step 2: Find out Limiting reactant;

The Balance Chemical Equation is as follow;

CO + 2 H₂ → CH₃OH

According to Equation,

28 g (1 mol) CO reacts with = 4 g (2 mol) of H₂

So,

68500 g CO will react with = X g of H₂

Solving for X,

X = (68500 g × 4 g) ÷ 28 g

X = 9785 g of H₂

It shows 9785 g H₂ is required to react with 68500 g of CO but we are provided with 8600 g of H₂ which is less than required. Therefore, H₂ is provided in less amount hence, it is a Limiting reagent and will control the yield of products.

Step 3: Calculate Theoretical Yield

According to equation,

4 g (2 mol) H₂ reacts to produce = 32 g (1 mol) Methanol

So,

8600 g H₂ will produce = X g of CH₃OH

Solving for X,

X = (8600 g × 32 g) ÷ 4 g

X = 68800 g of CH₃OH

Step 4: Calculate %age Yield

%age Yield = Actual Yield ÷ Theoretical Yield × 100

Putting Values,

%age Yield = 3.54 × 10⁴ g ÷ 68800 g × 100

%age Yield = 51.45 %

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4 years ago

At 50 degrees celcius and standard pressure intermolecular forces of attraction are strongest in a sample of

Ivanshal [37]

At 50 degrees Celsius and standard pressure inter-molecular forces of attraction are strongest in a sample of ethanoic acid.
Ethanoic acid has hydrogen atom bonded with a more electronegative atom; Oxygen. As a result, the molecule possesses strong intermolecular Hydrogen Bonds. Therefore; ethanoic acid, and all other carboxyllic acids have the tendency to form dimers.

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3 years ago

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Answer:

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3 years ago

All matter on earth contains energy

Dafna11 [192]

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3 years ago