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dolphi86 [110]
3 years ago
6

PLEASE HELP ME ASAAAAPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!

Chemistry
2 answers:
Liono4ka [1.6K]3 years ago
5 0

Answer:

look up a video i think i saw one

Explanation:

andrey2020 [161]3 years ago
4 0
The answer is there. Basically you can balance it completely like this
C4H10 + 6.5O2 = 4CO2 + 5H2O
Then multiply it all by 2 so you can make 6.5 13

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55.49 moles are in one kilogram of water...
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Question 1 A student made measurements on some electrochemical cells and calculated three quantities: The standard reaction free
Zinaida [17]

Answer:

Explanation:

for spontaneous reaction,

ΔG is negative

K>1

E > 0

cell A:

ΔG and EO suggests that reaction is spontaneous. But K is less than 1.

Hence K is wrong

cell B:

ΔG and EO suggests that reaction is non spontaneous .But K is greater than 1.

Hence K is wrong

cell C:

E and K suggest than reaction is non spontaneous but ΔG suggest that reaction is spontaneous.

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4 0
4 years ago
Read 2 more answers
Use the reaction to answer the question.
Vadim26 [7]

Answer:

–698 kJ/mol

Explanation:

i guessed and got it right

8 0
3 years ago
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The monomer of poly(vinyl chloride) has the formula C2H3Cl. If there are 1,565 repeat units in a single chain of the polymer, wh
monitta

Answer:

\large \boxed{9.780 \times 10^{4}\text{ u}}

Explanation:

The molecular mass of a monomer unit is:

C₂H₃Cl = 2×12.01 + 3×1.008 + 35.45 = 24.02 + 3.024 + 35.45 = 62.494 u

For 1565 units,

\text{Molecular mass} = \text{1565 units} \times \dfrac{\text{62.494 u}}{\text{1 unit }} = \mathbf{9.780 \times 10^{4}}\textbf{ u}\\\\\text{The molecular mass of the chain is $\large \boxed{\mathbf{9.780 \times 10^{4}}\textbf{ u}}$}

8 0
3 years ago
Use an example how natural selection can lead to evolution
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Natural selection leads to evolutionary change when individuals with certain characteristics have a greater survival or reproductive rate than other individuals in a population and pass on these inheritable genetic characteristics to their offspring.
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