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vlabodo [156]
3 years ago
8

Caption for this picture asap.

Chemistry
1 answer:
miss Akunina [59]3 years ago
3 0
I will walk through different captions if one I say isn’t correct.
1) As the humans impact the environment, there will be consequences such as global warming. 2) When the long-term consequences has come, human life would become more difficult and complicated.
3) If the himan life hasn’t taken care of the global, it wouldn’t be safe and consequences would attracted by this cause. (As said above.)
Thank you!
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Is Bromine from the noble gasses? if yes why? if no why? too​
Jet001 [13]

Answer: Bromine is Actually a Halogen!

Explanation: Bromine is in the 7th column of the Periodic Table. It needs that magic 8 valence electrons and it has 7.

Hoped that helped!

8 0
4 years ago
Why do scientists establish boundaries for natural systems?
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7 0
3 years ago
Organic molecules always contain __________. carbon and oxygen oxygen and hydrogen carbon, hydrogen, and nitrogen carbon and hyd
ArbitrLikvidat [17]
Carbon and hydrogen atoms
5 0
4 years ago
A balloon filled with helium has a volume of 4.5 × 103 L at 25°C. What volume will the balloon occupy at 50°C if the pressure su
Tom [10]

Answer:

V_2 = 4.87 * 10^3

Explanation:

This question is an illustration of ideal Gas Law;

The given parameters are as follows;

Initial Temperature = 25C

Initial Volume = 4.5 * 10³L

Required

Calculate the volume when temperature is 50C

NB: Pressure remains constant;

Ideal Gas Law states that;

PV = nRT

The question states that the pressure is constant; this implies that the constant in the above formula are P, R and n

Divide both sides by PT

\frac{PV}{PT} = \frac{nRT}{PT}

\frac{V}{T} = \frac{nR}{P}

Represent \frac{nR}{P} with k

\frac{V}{T} = k

k = \frac{V_1}{T_1} = \frac{V_2}{T_2}

At this point, we can solve for the required parameter using the following;

\frac{V_1}{T_1} = \frac{V_2}{T_2}

Where V1 and V2 represent the initial & final volume and T1 and T2 represent the initial and final temperature;

From the given parameters;

V1 = 4.5 * 10³L

T1 = 25C

T2 = 50C

Convert temperatures to degree kelvin

V1 = 4.5 * 10³L

T1 = 25 +273 = 298K

T2 = 50 + 273 = 323K

Substitute values for V1, T1 and T2 in \frac{V_1}{T_1} = \frac{V_2}{T_2}

\frac{4.5 * 10^3}{298} = \frac{V_2}{323}

Multiply both sides by 323

323 * \frac{4.5 * 10^3}{298} = \frac{V_2}{323} * 323

323 * \frac{4.5 * 10^3}{298} = V_2

V_2 = 323 * \frac{4.5 * 10^3}{298}

V_2 = \frac{323 * 4.5 * 10^3}{298}

V_2 = \frac{1453.5 * 10^3}{298}

V_2 = 4.87 * 10^3

Hence, the final volume at 50C is V_2 = 4.87 * 10^3

7 0
3 years ago
Volume is defined as the amount of mass that an object has. true false
Ierofanga [76]
False. volume is the amount of space the object occupies.
8 0
3 years ago
Read 2 more answers
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