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vovikov84 [41]
3 years ago
7

Write a sentence or mathematical expression that relates each of the

Chemistry
1 answer:
11111nata11111 [884]3 years ago
8 0

Answer:

Mass to moles: mass/molar mass=mole

Moles to mass: moles x molar mass = mass

Moles to particles:1mole = 6.022x10^23 particles

Particles to moles: 1 particle =1/(6.022x10^23) mole

Explanation:

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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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4 0
3 years ago
How does the chemical formula for water influence its chemical properties?
OLga [1]

The chemical formula is composed of hydrogen and oxygen where the two atoms are bonded through hydrogen bond type of bonding. In this pair, the oxygen is the more electronegative atom hence the electrons are more directed to it. Because of this, this creates electron polarity which affects the chemical property of water.

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5 0
3 years ago
What does 3 indicate in 1s22s22p63s1
Hunter-Best [27]
3s it is what it says sorry if this is wrong but I just did a qu like this and that's what it was
4 0
4 years ago
Help asap please. Will mark as the brainliest... NO LINKS!!!
Ivan

Explanation:

a) 4P + 3O2 --> 2P2O3

b) The chemical reaction above limits the number of molecules of P2O3 produced for every 4 atoms of P.

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How can frogs be amongst the most diverseanimals in the world
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