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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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What is a small-ball shaped organelle that helps the cell break down nutrients and old cell parts.
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Lysosome: only ones that  break down old cell parts<span>
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One mole of copper equals about how many atoms?
Arlecino [84]

One mole of copper equals 6.02 × 10^23 atoms. The answer is letter C. This follows the Avogaro’s law wherein 1 mole of a substance is equal to 6.02 x 10^23 atoms, formula units or molecules. This is applicable to all substances. 

8 0
3 years ago
Read 2 more answers
Which is a saturated solution?
ser-zykov [4K]

Answer:

C)52g KCl in 100g water at 80°C

Explanation:

A saturated solution is one that contains as much solute as it can dissolve in the presence of excess solute at that particular temperature.

A solutibility curve is a graph that shows the variability with temperature of the solubility of a solute in a given solvent. A solutibility curve can provide information of whether a solution formed frommthe solute and solvent are saturated or not at a given temperature.

From the solubility curve in the attachment below:

A) A saturated solution of NH₄Cl will contain about 52 g solute per 100 g sat 50 °C. Thus, a solution of 40 g NH₄Cl in 100 g water at 50 °C is an unsaturated solution.

B) A saturated solution of SO₂ at 10°C will contain about 70 g of solute in 100 g of water. Thus a solution of 2g SO₂ in 100g water at 10°C is an unsaturated solution.

C) A saturated solution of KCl at 80 °C will contain about 52 g of solute in 100 g of water. Thus, a solution of 52g KCl in 100g water at 80°C is a saturated solution.

D) A saturated solution of Kl at 20 °C will contain about 145 g of solute in 100 g of water. Thus, a solution of 120g KI in 100g water at 20°C is an unsaturated solution.

7 0
3 years ago
What is the hydronium ion concentration of a 0.100 M acetic acid solution with Ka = 1.8 × 10-5? The equation for the dissociatio
evablogger [386]

Answer:

1.3×10⁻³ M

Explanation:

Hello,

In this case, given the dissociation reaction of acetic acid:

CH_3CO_2H(aq) + H_2O(l) \rightleftharpoons H_3O^+(aq) + CH_3CO_2^-(aq)

We can write the law of mass action for it:

Ka=\frac{[H_3O^+][CH_3CO_2^-]}{[CH_3CO_2H]}

Of course, excluding the water as heterogeneous substances are not included. Then, in terms of the change x due to the dissociation extent, we are able to rewrite it as shown below:

1.8x10^{-5}=\frac{x*x}{0.100-x}

Thus, via the quadratic equation or solve, we obtain the following solutions:

x_1=-0.00135M\\x_2=0.00133M

Obviously, the solution is 0.00133M which match with the hydronium concentration, thus, answer is: 1.3×10⁻³ M in scientific notation.

Regards.

8 0
3 years ago
Read 2 more answers
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