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Dennis_Churaev [7]
3 years ago
7

The chemical analysis of a compound gave the percentage composition by mass: Carbon 40%, Hydrogen 6.67% and Oxygen 53.3%. The re

lative formula mass of a compound is 180. What is the molecular formula of this compound? ​
Chemistry
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

C6H12O6

Explanation:

I attached the method for solving above.

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Mass/ energy can not be created or destroyed 
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An object with the mass of 2300 g has a force of 6.2 Newton's applied to it. What is the resulting acceleration of the object?
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Answer:

\boxed {\boxed {\sf a\approx 2.7 \ m/s^2}}

Explanation:

Force is equal to mass times acceleration.

F=m*a

By dividing both sides by m, we rearrange the formula for a (acceleration).

\frac{F}{m} =a

The force is 6.2 Newtons, but we can convert the units to make the problem easier later on.

  • A Newton is equal to 1 kg*m/s², so 6.2 N is equal to 6.2 kg*m/s².

The mass is 2300 grams, but we need to convert it to kilograms.

  • To convert grams to kilograms, divide by 1,000
  • 2300 g/1000= 2.3 kg

F= 6.2 \ kg*m/s^2\\m=2.3 \ kg

Substitute the values into the formula.

a=\frac{6.2 \ kg*m/s^2}{2.3 \ kg}

Divide. Note that the kilograms or "kg" will cancel each other out (this is why we converted the units).

a=\frac{6.2 \ m/s^2}{2.3 \ }

a=2.69565217 \ m/s^2

Round to the nearest tenth. The 9 in the hundredth place tells us to round up to 2.7

a\approx 2.7 \ m/s^2

The acceleration is about <u>2.7 meters per second squared.</u>

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3 years ago
Identify and describe the steps in the technology design process.
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Answer:

Steps of the technological design process include: identify a problem, research the problem, generate possible solutions, select the best solution, create a model, test the model, refine and retest the model as needed, and communicate the final solution.

Explanation:

hope it helps, please mark brainliest

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if you are a form of an alto cloud, where in the troposphere would you be located? high middle or low
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These clouds extend through the lower and mid-layers of the troposphere bringing rain to the surface below.

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The bases of clouds in the middle level of the troposphere, given the prefix “alto,”

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2 years ago
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<span>Calculate the standard entropy change for the dimerization of NO2: 2NO2(g)→N2O4(g)at 298 K, if Sâ—¦ â†Hâ—¦f J/K·mol NO2(g) 240.06 33.18 N2O4(g) 304.29 9.16 Answer in units of J/K·mol AP Chemistry - DrBob222 Tuesday, October 29, 2013 at 8:53pm See your other posts below. AP Chemistry - fg Monday, April 4, 2016 at 4:19pm dg4354 2242342 1111 AP Chemistry - Eman Monday, April 25, 2016 at 11:19am -175.8 j/k.mol</span>
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