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posledela
3 years ago
13

Drag each label to the correct location on the image.

Chemistry
2 answers:
igor_vitrenko [27]3 years ago
8 0

Answer:

Answer:

Uses energy: Amoeba and clock both use energy

Contains cells: true for the amoeba.

Lacks genetic material: true for a clock.

Reproduces: True for amoeba

Has internal organization: True for amoeba and clock both

Read more on Brainly.com - brainly.com/question/14370780#readmore

Explanation:

Mandarinka [93]3 years ago
7 0

Answer:

<em>Uses energy: Amoeba and clock both use energy</em>

<em>Contains cells: true for the amoeba.</em>

<em>Lacks genetic material: true for a clock.</em>

<em>Reproduces: True for amoeba</em>

<em>Has internal organization: True for amoeba and clock both</em>

<em> </em>

Amoeba can be described as a single-celled organism and hence is a living thing. It will show characteristics of a living thing. Whereas, a clock can be described as a device to watch time. It is a non- living thing.  

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Chlorine gas bleaches the damp litmus (red or blue). Bleaching is an oxidation process.

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Is the largest of Saturn's moons, Charon, larger than Mercury?​
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Metals react by losing valence electrons. Which of the alkali metals loses its valence electrons most easily? Explain.
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3 years ago
1.12g H2 is allowed to react with 9.60 g N2, producing 1.23 g NH3.
andriy [413]

Answer:

A. m_{NH_3}^{theo} =1.50gNH_3

B. Y=82.2\%

Explanation:

Hello!

In this case, since the undergoing chemical reaction between nitrogen and hydrogen is:

N_2+3H_2\rightarrow 2NH_3

Thus we proceed as follows:

A. Here, we first need to compute the moles of ammonia yielded by each reactant, in order to identify the limiting one:

n_{NH_3}^{by \ H_2}=1.12gH_2*\frac{1molH_2}{2.02gH_2}*\frac{2molNH_3}{3molH_2}=0.370molNH_3\\\\  n_{NH_3}^{by \ N_2}=1.23gN_2*\frac{1molN_2}{28.02gN_2}*\frac{2molNH_3}{1molN_2}=0.0878molNH_3

Thus, since nitrogen yields the fewest moles of ammonia, we realize it is the limiting reactant, so the theoretical yield, in grams, of ammonia is:

m_{NH_3}^{theo}=0.0878mol*\frac{17.04gNH_3}{1molNH_3} =1.50gNH_3

B. Finally, since the actual yield of ammonia is 1.23, the percent yield turns out:

Y=\frac{1.23gNH_3}{1.50gNH_3} *100\%\\\\Y=82.2\%

Best regards!

5 0
3 years ago
25 Points Please Help ASAP!! View Attached Image!! Will Mark Brainliest If All Are Answered!!
KIM [24]

Answer:

Answers in explanation.

Explanation:

30. A (A chemical changes changes the chemical properties)

31. C (rusting is an example of a chemical change

32. B (A reaction requires energy, so some energy will be expelled)

33. B (Color change is an example of a chemical change)

34. A (The law of the conservation of mass: Mass and Energy cannot be created nor destroyed)

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3 years ago
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