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Mice21 [21]
2 years ago
5

The colder parts of the surface of Pluto have a temperature of –382°F. What is this temperature in Celsius?

Chemistry
1 answer:
IRISSAK [1]2 years ago
3 0
-113.2 °F

Step-by-step explanation:

Well assign the coldest place on earth on the day as having x temperature
Therefore based on the statement;

2x – 53.6 = -280

2x = -280 + 53.6

2x = - 226.4

X = -113.2
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In step 2, of the experiment, the procedure uses 3.0M NaOH. However, the student notices that the only solution of NaOH is conce
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Answer:

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Explanation:

Step 1: Data given

Molarity of the original NaOH solution = 19.0 M

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Volume of the NaOH solution we want to prepare = 500 mL = 0.500 L

Step 2: Calculate volume of the 19.0 M NaOH solution needed

C1*V1 = C2*V2

⇒with C1 = the concentration of the original NaOH solution = 19.0 M

⇒with V1 = the volume of the original NaOH solution = TO BE DETERMINED

⇒with C2 = the concentration of the NaOH solution we want to prepare = 3.0 M

⇒with V2 = the volume  of the NaOH solution we want to prepare = 500 mL = 0.500 L

19.0 M * V2 = 3.0 M * 0.500 L

V2 = (3.0 M * 0.500L) / 19.0 M

V2 = 0.0789 L

We need 0.0789 L

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8 0
3 years ago
How many moles of CO2 are produced when 3.3 moles of C2H2 react
xxTIMURxx [149]
<span>To solve this exercise you need to know that to create CO₂ with C₂H₂ is necessary to have oxygen. So, the following balanced equation represents the reaction:
2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g)

Notice that 2 moles of C₂H₂ form 4 moles of </span><span>CO₂, so if </span>3.3 moles of C₂H₂ react, how many moles of CO2 would be produced?
2 moles <span>of C₂H₂ -------</span>4 moles of <span>CO₂
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Answer:

-304kJ

Explanation:

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dybincka [34]

Answer:

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Explanation:

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