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MA_775_DIABLO [31]
2 years ago
7

Match the following layer with its definition .

Chemistry
1 answer:
Maksim231197 [3]2 years ago
7 0
A is mantle b is crust
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The correct answer would be O
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7 0
3 years ago
Find the number of moles of sodium hydroxide in 25cm3 solution of concentration 0,1 mol/dm3​
kozerog [31]

Answer:

0.0025  moles

Explanation:

25cm^3 = 25/1000 dm^3

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2 years ago
A flask contains 0.83mol of neon gas at a temperature of 35°C. The pressure gauge indicates 0.37atm inside the flask. What is th
Angelina_Jolie [31]

Answer: 5.66 dm3

Explanation:

Given that:

Volume of neon gas = ?

Temperature T = 35°C

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Note that Molar gas constant R is a constant with a value of 0.0082 ATM dm3 K-1 mol-1

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pV = nRT

0.37atm x V = 0.83 moles x 0.0082 atm dm3 K-1 mol-1 x 308K

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V = (2.096 atm dm3 / 0.37atm)

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5 0
3 years ago
Number 7 plz tysm guys
morpeh [17]
It is letter C: Continental crust is thicker than oceanic crust.
6 0
3 years ago
Read 2 more answers
A chocolate bar weighs 4.00 ounces. If the chocolate delivers 2.78 calories per gram, how many
dimulka [17.4K]

Answer:

40.79

Explanation:

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6 0
3 years ago
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