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4 years ago

NEED HELP ASAP!!! I WILL GIVE 100 POINTS!!!

1 answer:

7 0

In the first paragraph state how climate change is the earth warming. Tell them how the warmer atmosphere has lead to the melting of snow and ice in the arctic and sever droughts in other areas of the world.

In the second paragraph talk about how large rivers are becoming smaller in regards to water volume and that the amount of water discharged into the ocean has also decreased greatly.

In the final paragraph write about how weather phenomena impact global warming. State that El Niño has led to lower floods in some place whereas other areas have experienced an increase in floods. Finally tell the reader how the lower water volumes and discharge leads to a change in the global ocean circulation.

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Bond energy what makes a reaction endothermic or exothermic worksheet answers

Soloha48 [4]

The gain or loss of heat energy is what makes a reaction either endothermic or exothermic. A reaction is said to be endothermic if it absorb heat from the environment while a reaction is described as exothermic if it gives out heat to the environment. During chemical reaction, the bond energy of the reactants needs to be broken and new bond has to be formed in the products. The formation and breaking of bonds requires energy,

8 0

3 years ago

What statement best describes solution

kirza4 [7]

Solution is a mixture of solvent and solute. Which dissove completely.

Examples of Solvent - Water

Solute - Salt

Solution - Salt solution

Together when the combines, it became a solution

*** It have to dissolve completely. Particles cannot be left in the cup(container). The only way to seprate them is to use EVAPORATION METHOD.

6 0

4 years ago

_____ is the short-term condition of the atmosphere. A. Climate B. Weather C. Precipitation D. Transpiration

Tomtit [17]

Precipitation is the short-term condition of the atmosphere

7 0

4 years ago

An experiment is carried out to observe the melting ice. Heat energy is supplied at a constant rate. The temperature of the ice

zhenek [66]

Answer:

If the ambient temperature around a piece of ice increases, the temperature of the ice will increase as well. However, this steady increase in temperature stops as soon as the ice reaches its melting point. At this point, the ice undergoes a change of state and turns into liquid water, and its temperature won't change until all of it has melted. You can test this with a simple experiment. Leave a cup of ice cubes in a hot car and monitor the temperature with a thermometer. You'll find that the icy water remains at a frosty 32 degrees Fahrenheit (0 degrees Celsius) until all of it has melted. When that happens, you'll notice a quick temperature rise as the water continues to absorb heat from the inside of the car.

7 0

3 years ago

What pressure will cause 1.70 atm and 300.0°C to increase to 350.0°C ? Assume constant volume. Reminder : Kelvin = 273 + °C *

mestny [16]

Answer: 1.85 atm

Explanation:

Initial pressure P1 = 1.70 atm

Initial temperature T1 = 300.0°C

Convert temperature in Celsius to Kelvin i.e (273 + 300.0°C) = 573K

Final pressure P2 = ?

Final temperature T2 = 350.0°C

(273 + 350.0°C) = 623K

Mathematically, pressure law states the pressure (p) of a gas is directly proportional to the absolute temperature (T).

i.e Pressure ∝ Temperature.

P1/T1 = P2/T2

1.70 atm/573K = P2/623K

P2 = (1.70 ATM x 623K) / 573K

P2 = 1059.1/573

P2 = 1.85 atm

Thus, the 1.85 atm of pressure is required.

5 0

3 years ago