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vagabundo [1.1K]
3 years ago
15

An individual picks up a cup and drinks from it. This is an example of __________.

Chemistry
2 answers:
Lesechka [4]3 years ago
6 0

Answer:

A

Explanation:

The correct answer is: A) "A concentric contraction because muscles cause the elbow joint and arm to move"

Softa [21]3 years ago
6 0

Answer:

A. a concentric contraction because muscles cause the elbow joint and arm to move.

Explanation:

Contraction is the phenomenon in which the muscles of our body get activated by the tension produced. When the muscle of our body shortens, caused by the tension applied on our muscle is called concentric contraction. The force produced by the muscle as it shortens bring the cup near our body. There it is an example of concentric contraction.

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Coordination number of Nacl structure is ?​
GenaCL600 [577]

Answer:

Six

The coordination number of sodium is 6. Likewise, six sodium ions immediately surround each chloride ions, making the coordination number of chloride also equal to 6. Because the formula unit of sodium chloride displays a 1:1 ratio between the ions, the coordination numbers must be the same.

4 0
3 years ago
Read 2 more answers
Can anyone help me with the calculations for the Frequency, Wavelength, Energy Chart?
sergeinik [125]
Use the following equations to fill the chart.

E = hf
where
h = 6.63 x 10⁻³⁴ J/s, Planck's constant
f = frequency Hz
E = quanta of energy, J

c = fλ
where
c = 3 x 10⁸ m/s, the velocity of light
λ = wavelength, m

If energy is given in J/mmol, divide by Avogadro's number, N = 6.02 x 10²³, to convert it to J.

The completed table is shown below.

3 0
4 years ago
A gas exerts a pressure of 0.62 atm. Convert this to kPa and mmHg. Be sure to show your work.
IRINA_888 [86]

Answer:

The answer to your question is 0.62 atm = 62.82 kPa = 471.2 mmHg

Explanation:

Data

P = 0.62 atm

P = ? kPa

P = ? mmHg

Process

1.- Look for the conversion factor of atm to kPa and mmHg

 1 atm = 101.325 kPa

1 atm = 760 mmHg

2.- Do the conversions

                  1 atm ----------------- 101.325 kPa

                  0.62 atm ------------  x

                   x = (0,62 x 101.325) / 1

                  x = 62.82 kPa

                   1 atm ------------------ 760 mmHg

                   0.62 atm ------------  x

                   x = (0.62 x 760)/1

                   x = 471.2 mmHg                

4 0
3 years ago
What percentage of atoms in the entire universe are hydrogen atoms?
lisabon 2012 [21]
The percentage of atoms in the universe that are hydrogen are 90%
3 0
3 years ago
What do the superscripts and subscripts in the notation ^40 K represent?
raketka [301]

Explanation:

subscript is K

superscript is ^

subscript K means a unit of temperature like F or C

superscript ^ means to the power of

So all together it means to the power of 40 K

3 0
4 years ago
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