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3 years ago

When particles that attract each other are allowed to come to together, energy is ______

Chemistry

1 answer:

Rufina [12.5K]3 years ago

5 0

Answer:

Released

Explanation:

When particles that attract each other come together, energy is usually released. The combination of the two particles is expected to result in a lower energy system. This lower energy system will be more stable than the different individual particles.

Hence, as this lower energy system is formed, the excess energy originally possessed by the particles is evolved hence energy is released when particles that attract each other are allowed to come together.

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Perform the following calculation and report the answer with the correct number of significant figures.

Paul [167]

Answer:

81.72 +0.73=82.45

Explanation:

you need to add it

81.72

+0.73

= 82.45

8 0

3 years ago

Read 2 more answers

A star is observed from two positions of Earth in its orbit, in summer and winter. Which of these is the best method to calculat

Fantom [35]

Answer:

D. Calculate the variations in the potions of the star due to movement of Earth in its orbit

6 0

3 years ago

having that coloration is selected for since many predators will recognize it and stay away. Therefore the common coloration is

garri49 [273]

Answer: Natural selection.

Explanation:

The natural selection is the process by which the organism that best suits the characters will survive and the organism which cannot adapt the changes will die.

The predators feed on their prey and the organism which hides easily in the environment due to its color is safe and the animals that cannot camouflage will die.

This is natural selection that more favored character is carried out over generations and other that cannot survive die.

5 0

4 years ago

Solve the question that follows using the equation for the conversion of Celsius to Fahrenheit. F=95(C)+32 On February 9, 1934,

ahrayia [7]

Answer:

Buffalo, NY was colder on February 9, 1934

Explanation:

Temperature is the measure of thermal energy present in a given substance. It is a physical property of a matter which can be measured on the Celsius scale (°C), Fahrenheit scale (°F), and Kelvin scale (K).

To convert Celsius (°C) to Fahrenheit (°F), we use the equation:

°F = 9/5 (°C) + 32

Given: On February 9, 1934,

Temperature in Buffalo, NY: T₁ = (- 29) °C

Temperature in Anchorage, AL: T₂ = 19 °F

To convert T₁ from °C to °F:

9/5 (- 29 °C) + 32 = (- 52.2) + 32 = (- 20.2) °F

So,

Temperature in Buffalo, NY: T₁ = (- 20.2) °F

Temperature in Anchorage, AL: T₂ = 19 °F

⇒ T₁ < T₂

Therefore, Buffalo, NY was colder on February 9, 1934.

4 0

4 years ago

True or False? A day is about 12 hours long

7nadin3 [17]

Answer:

false it's 24 hours long.

7 0

3 years ago