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Anna11 [10]
3 years ago
6

Consider the reaction below.

Chemistry
1 answer:
Luba_88 [7]3 years ago
4 0
Hey there!

I attached a screenshot of my chemistry notes from this year on equilibrium constants in particular. Feel free to reference this in the future if you wish. 

Based on the information in my attachment, you could construct your constant like this:

K_{eq} =  \frac{[CaO][CO_{2}]}{[CaCO_{3}]}

I don't think it matters which order your reactants or products are in as long as you have them on the top and bottom where they need to be, so your answer will be B. 

Hope this helped you out! :-)

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Will mark as brainliest
expeople1 [14]

The answer is C

because plants use light energy from the sun to make their own food providing energy. The food created is a type of sugar.

This would make it definitely not A or D. The only answers left would be B and C but, technically the sunlight doesn't deliver the sugar straight to the plant so I'd go with C.

Hope that his helped!

4 0
3 years ago
Read 2 more answers
Assuming conditions of standard temperature and pressure, if you have a sample of a noble gas that weighs 12.69 g, in a containe
VARVARA [1.3K]

Answer:

Noble gas is Ne

Explanation:

Let's make the expression for the Ideal Gases Law at STP

Temperature = 273K

Pressure = 1 atm

1 atm . 1.409L = n . 0.0821 L∙atm/mol∙K . 273K

1.409 L.atm / (0.0821 L∙atm/mol∙K . 273K) = n

0.0628 mol = n

Let's calculate the molar mass to find out the noble gas

1.269 g / 0.0628 m = 20.2 g/m

BE CAREFUL  BECAUSE THIS ARE WRONG IN THE STATEMENT.

12.69 g

14.09 L

5 0
3 years ago
1. You have 4.0 g of NaCl. Calculate the number of moles of<br> NaCl
Mumz [18]

Answer:

0.07mol

Explanation:

n=mass/molar mass

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What is the mass of an element with 5 protons, 5 neutrons, 5 electrons?
butalik [34]

Answer:

15?

Explanation:

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