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Ipatiy [6.2K]
3 years ago
13

What is a solar eclipse? *

Chemistry
1 answer:
Oksanka [162]3 years ago
5 0
When the Earth is engulfed in a shadow cast by the moon which fully blocks the sun
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Help! I don't have the things to do this and its due TODAY! Could someone help me?
vodomira [7]

Answer:

--- The hot air inside the bottle creates an expansion and when the hot water is applied a contraction occurs, thus causing the balloon to be sucked.

--- An internal pressure is produced, joining the heat begins to decrease. As a consequence, the air molecule causes the balloon to enter the bottle thanks to the effect of the external pressure.

Explanation:

I hope I have helped with something.

4 0
3 years ago
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Which of the following is required to change the state of matter?
nignag [31]
Since there are no given items, I will give a general answer. Energy....or the lack of it. Examples: Heat, electricity, force (when an item is moving and it impacts something, it heats up...friction is an example of this), etc
3 0
3 years ago
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Identify the Following as either Alkanes, alkynes or alkenes
puteri [66]

Answer:

The answer to your question is below

Explanation:

To solve this problem use the general formulas for Alkanes, Alkenes, and Alkynes.

Alkanes           Cn H(2n + 2)

Alkenes           Cn H (2n)              "n" is the number of Carbons

Alkynes            Cn H (2n - 2)

a) CH₄             C₁ H 2(1) +2   = C₁H₂ + ₂ = CH₄       Alkane

b) C₂H₄            C₂ H₂(₂)                                           Alkene

c) C₃H₆             C(₃) H₂ (₃)                                        Alkene

d) C₂H₂            C₂ H₂(₂) - 2  = C₂H₄ - ₂ = C₂H₂        Alkyne

e) C₁₀H₂₂          C₁₀ H₂(₁₁)                                          Alkene

5 0
3 years ago
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PLEASE i need some help asap it can be any part, I'll be grateful
Ostrovityanka [42]

Answer:

what do u need help with

Explanation:

I can help uu

4 0
4 years ago
11. Do the blue dots on the graph represent an object that
dolphi86 [110]
I think it’s C
I’m so sorry if it’s wrong!
5 0
3 years ago
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