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yuradex [85]
3 years ago
6

1. A student mixes two liquids together and notices that a white solid has formed

Chemistry
1 answer:
monitta3 years ago
7 0

Answer:

3. A chemical reaction has occured

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An object with a height of 0.3 meter is placed at a distance of 0.4 meter from a concave spherical mirror. An image with a heigh
Sophie [7]

We can use the magnification equation for this problem.

Magnification equation:

<em>hi/h0 = di/d0</em>

Where in <em>hi </em>: image size, <em>h0</em> : object size, <em>di </em>: image distance, <em>d0 </em>: object distance from mirror

So plugging in the given variables we will have the corresponding equation

0.1 m / 0.3 m = <em>di / </em>0.4 m

<em>di</em> = 0.1333333m

The generated image of the object is located 0.13 meters or 13 cm away from the mirror

8 0
3 years ago
Read 2 more answers
Calculate the volume of 5.00 mol of helium at 120C and 1520 mm Hg
levacccp [35]

Answer:

80.7 L

Step-by-step explanation:

This looks like a case where we can use the Ideal Gas Law to calculate the volume.

pV = nRT       Divide both sides by p

V = (nRT)/p

=====

Data:

n = 5.00 mol

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = (120 +273.15) K = 393.15K

p = 1520 mmHg × 1 atm/760 mmHg = 2.00 atm

=====

Calculation:

V = (5.00 × 0.082 06 × 393.15)/2.00

V = 161.3/2.00

V = 80.7 L  

4 0
3 years ago
Please help me, Thank you!
Phantasy [73]

Answer:

2

Explanation:

The atom shown in the image has 2 core electrons.

Electrons are the negatively charged particles within an atom. Therefore the total number of electrons surrounding the nucleus in the given specie is 7.

 So;

   We have 2 core electrons

   And 5 valence electrons

The core electrons are the inner orbital electrons.

The valence electrons are the outermost electrons.

3 0
3 years ago
Amino acids can be synthesized by reductive amination. Draw the structure of the organic compound that you would use to synthesi
UkoKoshka [18]

Answer:

Following are the answer to this question:

Explanation:

For the reductive amination of its carbonyl group, amino acids could be synthesized by reducing ammunition, which can be synthesized in the given attachment file:

please find the attachment:

4 0
3 years ago
Which organism is able to cause an infection
spin [16.1K]

Answer: The answer is bacteria. The correct answer is The letter B or the seconed one!

8 0
3 years ago
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