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3 years ago

What do weather maps display?

Chemistry

2 answers:

forsale [732]3 years ago

3 0

C is the correct answer

SVETLANKA909090 [29]3 years ago

3 0

Answer: Third option is correct.

Explanation:

Weather maps display the features of meteorological features for a particular area at a certain point of time.

It has various symbols with specific meanings.

It is used for weather forecasting and research purposes.

It deals with atmospheric condition of specific area.

Hence, third option is correct.

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Chemistry!! Please help!!

cluponka [151]

Answer:

4.993 ×10⁻¹¹ J

Explanation:

The nuclear binding energy is the energy equivalent to the mass defect.

The mass defect is the difference between the mass of a nucleus and the sum of the masses of its nucleons.

Calculate the mass defect

16 p = 16 × 1.007 28 u = 16.116 48 u

16 n = 16 × 1.008 67 u = 16.138 72 u

Total mass of nucleons = 32.255 20 u

- Mass of S-32 = 31.972 070 u

Mass defect = 0.283 13 u

Convert the unified atomic mass units to kilograms.

Mass defect

$= \text{0.283 13 u} \times \frac{ \text{1.66 06} \times 10^{-27} \text{ kg}}{\text{1 u}}$

$= 4.700 \times 10^{-28} \text{ kg}$

Use Einstein’s equation to convert the mass defect into energy

$E = mc^{2}$

$E = 4.7000 \times 10^{-28} \text{ kg} \times (2.998 \times 10^{8} \text{ m}\cdot\text{s}^{-1})^{2} = 4.224 \times 10^{-11} \text{ J}$

4 0

3 years ago

What is electrons configuration for arsenic ?

Anna35 [415]

Answer:

[Ar] 3d¹⁰ 4s² 4p³

Explanation:

so...... ur welcome

7 0

2 years ago

Anabelle has noticed that her strawberry plants haven't produced any strawberries yet this year.

marusya05 [52]

Answer:0.260

Explanation:

4 0

3 years ago

What could be the fourth quantum number of a 1s^2 electron be?

Bumek [7]

The forth quantum number is Spin quantum number and the value of Spin Quantum Number of 1s² will be +1/2. Therefore, the correct option is (B) option

<h3>What is Spin Quantum Number ?</h3>

It describes the orientation of the electron spin (rotation) in space.

In the given case of 1s² configuration,

since, the Quantum numbers are known as:

Principal quantum number (n) which cannot be zero.

The allowed values of n are therefore 1, 2, 3, 4, and so on.

Angular quantum number (l) is able to be any integer between 0

and n-1.

Therefore, for example, If n = 1, l will be 0,

If n = 2, l can be either 0 or 1.

Magnetic quantum number (m) is able to be any integer between -l and +l.

Therefore, for example, If l = 3, m can be either -3 to +3.

Spin Quantum Number (ms): Ms = +½ or -½ accounts for the orientation of the spin axis of an electron as it is able to spin in only one of two directions.

Thus, since the fourth quantum number is Ms, spin, we infer that the answer is (B) option ie, Ms = +1/2 because it represents the positive spin on 1s².

Learn more about Quantum Number Here ;

brainly.com/question/15325270

#SPJ1

6 0

2 years ago

The main acid in the stomach is hydrochloric acid (HCl). Which chemical equations show a reaction that occurs when someone takes

777dan777 [17]

I think the correct answer would be HCl + NaHCO3 -> NaCl + H2O + CO2, 2HCl + CaCO3 -> CaCl2 + CO2 + H2O, 2HCl + Mg(OH)2 -> MgCl2 + 2H2O. Hydrochloic acid would react with the basic substances in the stomach which are magnesium hydroxide, sodium bicarbonate and calcium carbonate.

7 0

3 years ago

Read 2 more answers