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2 years ago

Which of these instruments can be used to predict a thunderstorm?

Chemistry

2 answers:

BigorU [14]2 years ago

5 0

I believe the answer is radiosonde

svlad2 [7]2 years ago

5 0

The correct answer is radiosonde.

A radiosonde refers to a battery-oriented telemetry apparatus taken into the atmosphere generally with the help of a weather balloon, which helps in the prediction of several atmospheric parameters and transfers them by radio to a ground receiver. The current radiosondes calculate or predict various elements like pressure, attitude, relative humidity, temperature, cosmic ray, wind, and other elements. Thus, it can be a helpful instrument for the prediction of a thunderstorm.

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3 years ago

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kari74 [83]

Answer:

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3 years ago

Read 2 more answers

A high pH value indicates _____.

Mumz [18]

Answer:

A high pH value indicates a high concentration of OH- ion

Explanation:

The higher the OH- ion concentration high will be the pH.In simple words if the concentration of OH- ions are increased then the pH of the solution will also increase which means the solution will turns towards basic with increasing its OH- ion concentration.

Let us assume that the OH- concentration of a solution is 10-9 so the pOH of that solution will be 9 and the pH will be 5.

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3 years ago

Solid aluminum (AI) and oxygen (O_2) gas react to form solid aluminum oxide (Al_2O_3). Suppose you have 7.0 mol of Al and 9.0 mo

Nimfa-mama [501]

Answer:

There will be formed 3.5 moles of Al2O3 ( 356.9 grams)

Explanation:

Step 1: Data given

Numbers of Al = 7.0 mol

Numbers of mol O2 = O2

Molar mass of Al = 26.98 g/mol

Molar mass of O2 = 32 g/mol

Step 2: The balanced equation

4Al(s) + 3O2(g) → 2Al2O3(s)

Step 3: Calculate limiting reactant

For 4 moles Al we need 3 moles O2 to produce 2 moles Al2O3

Al is the limiting reactant, it will be consumed completely (7 moles).

O2 is in excess. There will react 3/4 * 7 = 5.25 moles

There will remain 9-5.25 = 3.75 moles

Step 4: Calculate moles Al2O3

For 4 moles Al we'll have 2moles Al2O3

For 7.0 moles of Al we'll have 3.5 moles of Al2O3 produced

Step 5: Calculate mass of Al2O3

Mass Al2O3 = moles Al2O3 * molar mass Al2O3

Mass Al2O3 = 3.5 moles* 101.96 g/mol

Mass Al2O3 = 356.9 grams

There will be formed 3.5 moles of Al2O3 ( 356.9 grams)

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