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Scorpion4ik [409]
3 years ago
10

How many different compounds are possible, changing only the cis/trans arrangements around these two double bonds?

Chemistry
1 answer:
insens350 [35]3 years ago
3 0
Check the attached file for the answer.

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A red car and a black car begin to accelerate from rest at the same time. The red car accelerates at a constant rate of 3 meters
Vladimir79 [104]

That car moves or accelerates faster which has the higher speed.

If the red car accelerate at higher speed than black car then the red car reach first on the destination but if the black car moves with higher speed than red car then the black car reach its destination earlier than the red car.

The conclusion can be drawn when the image is present or any data but there is no data or image present which provides us accurate information so we can conclude logically that car which moves at higher speed will move faster than the other car.

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Percent Composition Calculations
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Answer:

\boxed{\text{17.76 \% by mass}}

Explanation:

\text{The mass of one molecule of NH$_{3}$ is:}\\\text{14.01 u N + 3.024 u H = 17.034 u}\\\\\text{mass $\%$ H} =\dfrac{3.024}{17.034} \times 100 \%} =\textbf{17.76 \%}\\\\\text{Ammonia contains }\boxed{\textbf{17.76 \% H by mass}}

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3 years ago
Is vegetable soup a solution?
zmey [24]
No it's not a proper solution to the world's problems

5 0
4 years ago
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How many atoms are present in 0.056 moles of Copper (Cu)?​
Neporo4naja [7]
The relation between molecular (formula) mass and molar mass Page 4 4 • To obtain one mole of copper atoms (6.02 x 1023 atoms), weigh out 63.55 g copper. The molar mass (M) of a substance is the mass of one mole of entities (atoms, molecules, or formula units) of the substance.
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A sample of brass weighing 1.203g was analyzed. The zinc in the alloy was reacted with 35.123g of HCl in excess, according to th
Sphinxa [80]

The number of moles of reactants and products can be used to obtain the mass of products formed. The results obtained are as follows;

  • The mass of hydrogen produced is 0.0174 grams
  • The mass of zinc produced is  0.5688 grams
  • The percentage by mass of zinc in the brass alloy is 47.3 %

The question says that HCl was in excess. It means that after the reaction, we will have unreacted HCl(aq) and  ZnCl2(aq) in the remaining solution.

Hence;

Mass of ZnCl2(aq) formed = 36.309g - 35.123g  = 1.186g

Number of moles ZnCl2(aq) formed = \frac{mass of ZnCl2(aq) formed}{molar mass of ZnCl2}

\frac{1.186g}{136.286 g/mol} = 0.0087 moles

From the reaction equation;

Zn (s) + 2HCl(aq) - > H2(g) + ZnCl2 (aq)

To obtain the amount of Zn reacted

1 mole of Zn yields 1 mole of ZnCl2

x moles of Zn yields 0.0087 moles of ZnCl2

x = 0.0087 moles of Zn

a) 1 mole of Zn yields 1 mole of H2

0.0087 moles of Zn yields 0.0087 moles of H2

Mass of H2 = 0.0087 moles of H2 * 2 g/mol = 0.0174 grams

b)

Mass of Zn reacted =  0.0087 moles of Zn * 65.38 grams/mole = 0.5688 grams

c)

Percentage of Zn in the alloy = 0.5688 grams/1.203g * 100 = 47.3 %

brainly.com/question/14595258

6 0
3 years ago
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