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andrew-mc [135]
4 years ago
13

Which is the best example of potential energy?

Chemistry
2 answers:
babymother [125]4 years ago
8 0

Answer:

holding a basketball in the air

Explanation:

the ball has potential to have a certain amount of energy but hasn't exerted it yet.

Ipatiy [6.2K]4 years ago
5 0

turning on a flash light

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Interpret the electron configuration
Svetach [21]

Answer:

Ca for calcium

20 electrons

2-2s electron

6 0
3 years ago
Now moles:<br> moles of H2+<br> A moles of O2<br> moles of H20
yan [13]

Answer:

H2+ + O2 —— H2O.

Explanation:

Hope it helps you.

4 0
3 years ago
In an energy diagram, the reactants are at a higher potential energy compared to the products. Which of the following best descr
mrs_skeptik [129]

Answer is (D) - It is exothermic and will have a negative enthalpy.


If the reactants are at a higher potential energy compared to the products, it means reactants have more energy than the products. That energy is released to the environment as heat. Due to the releasing of heat to the surrounding, the reaction is exothermic. Since the reaction is exothermic; the enthalpy of the reaction will be negative value.


3 0
4 years ago
Are bacteria multiple-celled microscopic organisms .true or false
deff fn [24]

Answer:

Bacteria are multiple-celled microscopic organisms. It's gross but Fungi is the most abundent form of life on Earth.

Hope this helps!! If so please mark brainliest and rate/heart to help my account if it did!!

7 0
3 years ago
580 grams of boiling water (temperature 100°C, specific heat capacity 4.2 J/K/gram) are poured into an aluminum pan whose mass i
fenix001 [56]

Answer:

81.04°C

Explanation:

Heat loss by water = Heat gained by Aluminum

Heat loss by water;

H = MCΔT

ΔT = 100 -  T2

M = 580g

c = 4.2

H = 580 * 4.2 (100 - T2)

H =  243600  - 2436T2

Heat ganed by Aluminium

H = MCΔT

ΔT = T2 - 24

M = 900g

c = 0.9

H = 900 * 0.9 (T2 - 24)

H = 810 T2 - 19440

243600  - 2436T2 = 810 T2 - 19440

243600 + 19440 =  810 T2 + 2436T2

263040 = 3246 T2

T2 = 81.04°C

Assumption;

Assume that energy diffuses throughout the pan and water so that all parts reach the same final temperature.

3 0
4 years ago
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