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n200080 [17]
3 years ago
12

What does this weather map symbol represent

Chemistry
2 answers:
Black_prince [1.1K]3 years ago
5 0

Answer:

B

Explanation:

Blue triangles are a cold front and red bowls are warm front

Stationary front is a combination

HOPE I helped :]

Arlecino [84]3 years ago
5 0

Answer:

stationary front

Explanation:

on a weather map, a stationary front is shown as alternating red semicircles and blue triangles like in the image at the left. notice how the blue triangles point in one direction, and the red semicircles point in the opposite direction.

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the _ of an element is the average mass of an element naturally occurring atom, or isotopes,taking into account the _ of each is
NARA [144]

Answer:

the<u> atomic mass</u> of an element is the average mass of an element naturally occurring atom, or isotopes, taking into account the <u>percentage</u> of each isotopes​

Explanation:

The atomic mass of an element is obtained by obtaining the relative abundances (in percentages) of naturally occurring atoms and the masses of the isotopes. The atomic mass can also be defined as the sum of the protons and the neutrons in the nucleus of an element.

In the periodic table, the atomic mass is indicated below the symbol of each of the elements and is usually in the decimal form.

7 0
3 years ago
Sulfurous acid, H2SO3, breaks down into water (H20) and sulfur dioxide (SO2).
erastovalidia [21]

Answer:

1 atom of sulfur

Explanation:

5 0
3 years ago
An unknown element, X, has an atomic mass of 107.868 amu. The X-109 isotope (108.905 amu) is 48.16%. What is the amu of the othe
juin [17]

Answer:

106.905 amu is the mass of the other isotope

Explanation:

The atomic mass of an element is the sum of the masses of the isotopes multiplied by its abundance. The atomic mass of an element X with 2 isotopes is:

X = X-109*i + X-107*i

Where X is the atomic mass = 107.868 amu

X-109 = 108.905amu, i = 48.16% = 0.4816

X-107 = ?, i = 1-0.4816 = 0.5184

Replacing:

107.868amu = 108.905amu*0.4816 + X-107*0.5184

55.4194 = X-107*0.5184

106.905 = X-107

<h3>106.905 amu is the mass of the other isotope</h3>
4 0
3 years ago
Dipole-induced dipole attractions exist between molecules of water and molecules of gasoline, yet these two substances do not mi
lana [24]

Gasoline is predominantly octane, C8H18.  Something like soap would be a great homogenizer.  Soap is composed of a long hydrocarbon chain with a tiny, highly polar tip on one end.  Usually, the soap is the anion of a salt, NaX.  This allows the polar end of the soap to stick to water, while the nonpolar end sticks to the oil.

\frac{kg*m*m}{m^3*s*\mu}=1=\frac{kg}{m*s*\mu}

\mu=\frac{kg}{m*s}

3 0
3 years ago
The net ionic equation for formation of an aqueous solution of nii2 accompanied by evolution of co2 gas via mixing solid nico3 a
Ann [662]

Answer:

NiCO3 (s) + 2H+ (aq) → H2O (l) + CO2 (g) + Ni2+ (aq)

Explanation:

To write the complete ionic equation:

1. Start with a balanced molecular equation.

2. Break all soluble strong electrolytes (compounds with (aq) beside them) into their ions

3. indicate the correct formula and charge of each ion

4. indicate the correct number of each ion

5. write (aq) after each ion

6. Bring down all compounds with (s), (l), or (g) unchanged.

8 0
3 years ago
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