3 years ago

Fav music Artist???????????

Chemistry

2 answers:

alexgriva [62]3 years ago

6 0

Nct and sza ………………..

vladimir1956 [14]3 years ago

5 0

uhhh i’m not sure

Explanation:

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What is the molarity of the two solutions <br> 0.150 mol of NaOH in 1.80 L of solution

padilas [110]

1 mole of MgS = 24.3 + 32.1 = 56.4 g

35.1 g MgS x 1 mol / 56.4 g = 0.622 mol

M = 0.622 mol / 0.835 L = 0.745 mol/L

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4 years ago

* Urgent Bet no one knows this *

Tju [1.3M]

Answer: The name of the super continent that existed millions of years ago.

Explanation:

Our continents as they exist today were once joined together into a super continent known as Pangea. Over the millennia, the land masses broke off and drifted away creating the location of the continents we know today.

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3 years ago

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How many moles are in 54 grams of C?

Serjik [45]

12.0107 is the answer

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3 years ago

A hamburger containing 335.4 kcal of energy was combusted in a bomb calorimeter with an unknown heat capacity. The temperature o

Zielflug [23.3K]

Answer:

$Cv_{calorimeter}=18.4kcal/K$

Explanation:

Hello!

In this case, since the combustion of the hamburger released 335.4 kcal of energy and that energy is received by the calorimeter, we can write:

$Q_{hamburguer}=-Q_{calorimeter}$

And the heat of the calorimeter is written in terms of the temperature change and the calorimeter constant:

$Q_{hamburguer}=-Cv_{calorimeter}\Delta T$

Thus, given the released heat by the hamburger due to its combustion and the temperature change, Cv for the calorimeter turns out:

$Cv_{calorimeter}=\frac{-Q_{hamburguer}}{\Delta T} =\frac{-(-335.4kcal)}{18.2K}\\\\Cv_{calorimeter}=18.4kcal/K$

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3 years ago

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MrRissso [65]

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Explanation:

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