3 years ago

The uneven heating of the atmosphere by the sun's energy creates pressure

1 answer:

7 0

Usually when we talk about uneven heating of the Earth's surface we are discussing convection. The uneven heating results in some of the atmosphere to be warmer than other parts and changes in volume and pressure which result in updrafts and can cause thunderstorms and other violent weather.

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Varvara68 [4.7K]

Answer:

the answer of the questionis D Photons

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3 years ago

what is the molarity of a solution that has 1.54 moles NaCI in a 3.7L solution. How do you prepare 50ml of 0.5 M of KCI from a s

dsp73

Answer:

69jtententemwntsj6e

Explanation:

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3 years ago

Toluene, C7H8, is used in the manufacture of explosives such as TNT (trinitrotoluene). A 1.500 g sample of liquid toluene was pl

dusya [7]

Answer:

There were 63.67 kJ liberated

If 1 mol of toluene was burned, there would be liberated 3906 kJ / mole

Explanation:

Step 1: Data given

Mass of the toluene sample = 1.500 grams

The temperature of the calorimeter rose from 25.000 °C to 26.413 °C

Write the balanced chemical equation for the reaction in the calorimeter.

C7H8(l) + 9O2(g) ⇒ 7CO2(g) + 4H2O(l)

Step 2: Calculate Q of the calorimeter

Q = C * Δt

Q = 45.06 kJ/ °C * ( 26.413 - 25)

Q = 63.67 kJ

Step 3: Calculate moles of toluene

Moles toluene = mass toluene / molar mass toluene

Moles toluene = 1.500 grams /92.14 g/mol

Moles toluene = 0.0163 moles

Step 4: Calculate energy per mole

energy per mole = 63.67 kJ / 0.0163 moles = 3906 kJ / mole

6 0

3 years ago

The energy and wavelength of a wave are ____. A.Unrelated B.Equal C.Inversely proportional D.Directly proportional

maxonik [38]

Answer:

b. equal

Explanation:

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3 years ago

A student was asked to name an element that reacts like chlorine (Cl). Which element should the student name?

kramer

Answer:

Bromine (BR2)

Explanation:

Cl2 + Br2 = ClBr

5 0

3 years ago