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Chemistry

1 answer:

NNADVOKAT [17]3 years ago

8 0

Theoretical Yield of H2SO3: 31.2 g
Percent Yield: 67.4%

Theoretical Yield of C2H6: 6.50
Percent Yield: 88.7%

Theoretical Yield of HF: 3.84
Percent Yield: 71.4%

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Please help fast. I will give brainliest.

Sonbull [250]

Answer:39 min

Explanation:

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2 years ago

Why was meteorology such a late developer compared to other branches of science?

Sedaia [141]

Answer:

Because of the difficulties of measuring the atmosphere's properties above the earth's reachable surface

Explanation:

Hello,

In this case, meteorology is the branch of science studying the atmosphere in its weather processes and forecasting and it had a late development because of the difficulties of measuring the atmosphere's properties above the earth's reachable surface. We cannot forget that even nowadays, it is very difficult to predict upcoming weathers with the 100 % assurance and with many days in advance.

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3 years ago

The isomerization reaction, ch3nc → ch3cn, is first order and the rate constant is equal to 0.46 s-1 at 600 k. what is the conce

Harlamova29_29 [7]

According to this formula :
㏑[A] /[Ao] = - Kt
when we have Ao = 0.3 m
and K =0.46 s^-1
t = 20min = 0.2 x 60 =12 s
So by substitution :
㏑[A] / 0.3 = - 0.46 * 12
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by taking e^x for both side of the equation we can get [A]
∴[A] = 0.0012 mol dm^-3

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3 years ago

What is the molarity of a 799 mL solution that contains 3.3 moles of NaNO3?

rusak2 [61]

Answer: I think It might be 1 M???

Explanation: Sorry I'm not in high school I put the wrong age

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3 years ago

g Five calcite, CaCO3 (MW 100.085 g/mol), samples of equal mass have a total mass of 12.3±0.1 g. What is the absolute uncertaint

diamong [38]

Answer:

The value is $L = 0.985 \pm 0.00801 \ g$