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zhannawk [14.2K]
3 years ago
5

A river flows from approximately 45° north latitude toward the equator, as shown in the diagram below. As the water molecules in

the river approach the equator, which step in the water cycle is most likely to happen next?
The molecules cool and eventually form clouds.

The molecules freeze and eventually form ice crystals.

The molecules heat up and eventually form water vapor.

The molecules break apart and eventually form precipitation.
Chemistry
2 answers:
avanturin [10]3 years ago
5 0

Answer: The molecules heat up and eventually form water vapor.

Explanation:

As the water moves toward equator, being more warmer zone, the molecules heat up and form water vapor. The water vapors rise up and cool and condense. The condensed water vapors clump together to form clouds and when these clouds become heavy, precipitation occurs and water falls back to oceans and rivers.

Kipish [7]3 years ago
3 0
A river flows from approximately 45° north latitude toward the equator, as shown in the diagram below. As the water molecules in the river approach the equator the next to be happen is t<span>he molecules heat up and eventually form water vapor.
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The burning of a sample of propane
r-ruslan [8.4K]

Answer:

70.0°C

Explanation:

We are given;

  • Amount of heat generated by propane as 104.6 kJ or 104600 Joules
  • Mass of water is 500 g
  • Initial temperature as 20.0 ° C

We are required to determine the final temperature of water;

Taking the initial temperature is x°C

We know that the specific heat of water is 4.18 J/g°C

Quantity of heat = Mass × specific heat × change in temperature

In this case;

Change in temp =(x-20)° C

Therefore;

104600 J = 500 g × 4.18 J/g°C × (x-20)

104600 J = 2090x -41800

146400 = 2090 x

  x = 70.0479

     =70.0 °C

Thus, the final temperature of water is 70.0°C

7 0
3 years ago
A bottle of the antiseptic hydrogen peroxide is labeled 3.0% (v/v). How many mL of hydrogen peroxide are in a 400 mL bottle of t
zepelin [54]
There are several ways of expressing concentration of solution. Few of them are listed below
1) mass percentage
2) volume percentage
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4) Normality
5) Molality

In most of the drugs, concentration is expressed either in terms of mass percentage or volume percentage. For, solid in liquid type systems, mass percentage is convenient way of expressing concentration, while for liquid in liquid type solutions, expressing concentration in terms of volume percentage is preferred. Present system is an example of liquid in liquid type solution 


Here, concentration of H2O2 is given antiseptic = 3.0 % v/v

It implies that, 3ml  H2O2 is present in 100 ml of solution

Thus, 400 ml of solution would contain 4 X 3 = 12 ml H2O2
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3 years ago
Explain how to produce a longitudinal wave on a spring that has large energy. There are two answers; one involves wavelength and
melamori03 [73]
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4 0
2 years ago
AP CHEMISTRY -If any of these questions in the image (NET IONIC BALANCED EQUATIONS w/ states of matter) can be answered, especia
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3 years ago
How do the properties of a compound like h2o or nacl illustrate the concept of emergent properties?
Softa [21]

Answer and explanation;

Na - metal

Cl - poisonous gas

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2 years ago
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