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asambeis [7]
3 years ago
13

Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with th

e temperature at the end of the change?
Chemistry
1 answer:
sergiy2304 [10]3 years ago
6 0
We need a picture please
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Please answer this as soon as possible Thank You.
sashaice [31]

Answer:

jchb3prhoucheoucheoucheouchoudehocuehcdouhd

Explanation:

5 0
3 years ago
2. How many moles of carbon dioxide, CO2, are in a 22 gram sample of the compound?
kotykmax [81]
To find the amount of moles in a molecule you divide the grams of the substance by the molar mass.
molar mass of CO2 = 44.01 g
22g / 44.01 = 0.50 moles CO2
4 0
3 years ago
ASAP , 8.81 g Carbon
xz_007 [3.2K]

The empirical formula : C₂Cl₇

The molecular formula : C₁₀Cl₃₅

<h3>Further explanation</h3>

Given

8.81 g Carbon

91.2 g Chlorine

Molar Mass: 1362.5 g/mol

Required

The empirical formula and molecular formula

Solution

Mol ratio :

C = 8.81 g : 12.011 g/mol =0.733

Cl = 91.2 g : 35,453 g/mol = 2..572

Divide by 0.733

C : Cl = 1 : 3.5 = 2 : 7

The empirical formula : C₂Cl₇

(The empirical formula)n = the molecular formula

(C₂Cl₇)n = 1362.5

(2x12.011+7x35.453)n=1362.5

(272.193)n=1362.5

n = 5

6 0
3 years ago
Assuming the atom is neutral, which atom is shown below?
olasank [31]
The answer is argon I didn't choose randomly like everyone else
3 0
3 years ago
Read 2 more answers
Unit of electro negativity
Luda [366]

Answer:

There are no units with electro negativity. Linus Pauling designed a scale of electro negativity that ranks elements with respect to each other. So, for example, fluorine is a 4.0 in comparison to 0.7 for francium.

Explanation:

6 0
3 years ago
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