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sergey [27]
2 years ago
15

Which location on the map above marks the Weddell Sea?(Giving brainlist for correct answer)

Chemistry
1 answer:
KatRina [158]2 years ago
5 0

Answer and Explanation:

D. I think..

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Hich sentence most accurately describes electrically charged objects?
Ket [755]

Answer:

They attract or repel other charged objects without touching them.

Explanation:

My chemistry teacher always says like repels like opposite attracts.

4 0
3 years ago
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You have a ballon filled with hydrogen gas which keeps it at a constant pressure, regardless the volume. The initial volume of t
abruzzese [7]

Answer:

619°C

Explanation:

Given data:

Initial volume of gas = 736 mL

Initial temperature = 15.0°C

Final volume of gas = 2.28 L

Final temperature = ?

Solution:

Initial volume of gas = 736 mL (736mL× 1L/1000 mL = 0.736 L)

Initial temperature = 15.0°C (15+273 = 288 K)

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

T₂ = T₁V₂/V₁  

T₂ = 2.28 L × 288 K / 0.736 L

T₂ = 656.6 L.K / 0.736 L

T₂ = 892.2 K

K to °C:

892.2 - 273.15 = 619°C

7 0
2 years ago
An
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I think it is c but I’m not sure
6 0
3 years ago
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What is the most likely meaning of concentration in paragraph 7?thinking thinking about about one one thing thing in in a a focu
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Answer:

amount of a substance found in water.

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3 years ago
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Add 3 x 10^9 +5.3 x 10^10
Ghella [55]
<span>Add 3 x 10^9 +5.3 x 10^10

</span><span>   3 x 10^9
 +5.3 x 10^10
</span>------------------
5.6 x 10^10
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2 years ago
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