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Airida [17]
3 years ago
14

Sorry the last one wasn’t 99 points but this one is 14 points sorry! But 14 points is a lot right? so please be prepared! Hshsuu

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Chemistry
2 answers:
vaieri [72.5K]3 years ago
5 0

Answer:

yfubdvymufuntctbyctbyxtvu

jenyasd209 [6]3 years ago
3 0
Wrzcncxmmadhdshkkfdyopgfogdfujgfudswsggubxrinkvfususesgyefkonxqwyousgisdjlknxzvnmvssiiwtossgukilpojhfsdvgffffffcnkajsbd acavscgdbdbdhudjrbdvshdndjdvgyhhhdbsjzisjqbaodjfvtvsjsnsjspsjdvrvehsuwkoendodjt bsbdbdhdhdhdhrnfndjgwhdbdhejebrudhbdhdudehdhdvdnixydbdndkdibdnmsko
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Argon atom can exist freely in nature, why​
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Answer:

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3 years ago
6. Write a balanced equation for each reaction. You must change each word equation into a chemical equation with actual formulas
leva [86]
The answer is in the pic!

4 0
3 years ago
How many metals, nonmetals and metalloids are there in the periodic table?
Ugo [173]

Answer:

95 metals

17 nonmetals

6 metalloids

6 0
2 years ago
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). The molar mass of an organic acid, a compound composed of carbon, hydrogen, and oxygen, is 194.14 g/mol. Combustion of a 1.50
Nikitich [7]

Answer:

The empirical formula is C₆H₁₀O₇.

Step-by-step explanation:

1. Calculate the masses of C, H, and O from the masses given.

Mass of C =  2.0402 g CO₂ × (12.01 g C/44.01 g CO₂) = 0.5568  g C

Mass of H = 0.6955 g H₂O  × (2.016 H/18.02 g H₂O)  = 0.077 81 g H

Mass of O = Mass of compound - Mass of C - Mass of H = (1.500 – 0.5568 – 0.077 81) g = 0.8654 g O

=====

2. Convert these masses to moles.

Moles  C = 0.5568  × 1/12.01  = 0.046 36

Moles H = 0.077 81 × 1/1.008 = 0.077 19

Moles O = 0.8654   × 1/16.00 = 0.054 09

=====

3. Find the molar ratios.

Moles  C = 0.046 36/0.046 36 = 1

Moles H = 0.077 19/0.046 36   = 1.665

Moles O = 0.054 09/0.046 36 = 1.167

======

4. Multiply the ratios by a number to make them close to integers

C  = 1        × 6 = 6

H = 1.665 × 6 = 9.991

O = 1.167 × 6  = 7.001

=====

5. Round the ratios to integers

C:H:O =6:10:7

=====

6. Write the empirical formula

The empirical formula is C₆H₁₀O₇.

=======

7. Calculate the empirical formula mass

C₆H₁₀O₇ = 6×12.01 + 10×1.008 + 7×16.00

C₆H₁₀O₇ = 72.01 + 10.08+ 112.0

C₆H₁₀O₇ = 194.09

=====

8. Divide the molecular mass by the empirical formula mass.  

MM/EFM = 194.14/194.09 = 1.000 ≈ 1

=====

9. Determine the molecular formula

MF = (EF)ₙ = (C₆H₁₀O₇)₁ = C₆H₁₀O₇

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3 years ago
PLEASE HELP
prohojiy [21]

Answer:

Mass and gravitational for e is not relart

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