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grandymaker [24]
3 years ago
15

If you heard a new hurricane warning announced over the radio, what would it mean? A weak hurricane has been upgraded to a stron

g hurricane. A weak hurricane has been upgraded to a strong hurricane. A big hurricane is projected to hit land within 36 hours. A big hurricane is projected to hit land within 36 hours. A tropical storm at sea has been upgraded to a hurricane. A tropical storm at sea has been upgraded to a hurricane. A big hurricane is projected to hit land within 12 hours.
Chemistry
1 answer:
masya89 [10]3 years ago
6 0

Answer:

A tropical storm at sea has been upgraded to a hurricane.

Explanation:

Hurricane warnings are issued with respect to the conditions that may cause the commencement of a hurricane in a particular area. The warning is issued before the winds hit the tropical storm force. This helps in preparing for all the necessary precautionary steps before the storm force effects. The humans are strictly orders to evacuate the area immediately. The local officials warn the public through many means and the announcement through the radio is one of them.

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when 10.00 g of phosphorus reacts with oxygen, it produces 17.77 g of a phosphorus oxide. This phosphorus oxide was found to hav
Alex_Xolod [135]

Answer:

Molecular formula = P₄O₆

Explanation:

P(s)         +        O₂(g)------------------------------------⇒ PₓOₙ (g)

10g                     (17.77-10)g                                    17.77g

10g                        7.77g                                          17.77g  (gramme ratio)

The molecular mass of Phosphorus  (P) = 31g/mole

The molecular mass of Oxygen atom (O) = 16g/mole

Mole ratio is given by:

P              :             O

10/31                    7.77/16

0.3226       :         0.4856                Mole ratio---------------------------- (1)

Divide (1)  through by 0.3226

 1                 :        1.5-------------------------------------------- (2)

From  (2), the empirical formula for Phosphorus oxide :

Empirical formula = P₁O₁.₅

                               =  PO₁.₅

The molecular formula can be calculated from below:

Since the molecular formula is a multiple of the empirical formula we have

Molecular formula = (PO₁.₅)ₙ----------------------------------- (3)

Since we are given the molecular mass of the oxide formed, we have:

(PO₁.₅)ₙ = 220-----------------------------(4)

[31 + (16 x 1.5)] x n = 220

[31 + 24]n = 220

55n =220

n = 4

Substituting into (3), we have :

Molecular formula = (PO₁.₅)₄

                               = P₄O₆

8 0
3 years ago
Convert 8.7 mg to ibs
rjkz [21]

Answer:

7

Explanation:

6 0
4 years ago
Read 2 more answers
What type of energy does a ball on top of a hill or a child on top of a slide have? gravitational energy, mechanical energy, rad
KATRIN_1 [288]
Gravitational Energy
5 0
4 years ago
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Temperature is _____ to the average kinetic energy of a gas.
d1i1m1o1n [39]

Answer: Option (b) is the correct answer.

Explanation:

As on increasing the temperature, the molecules gain more kinetic energy due to which they tend to collide and move rapidly from one place to another.  

Thus, we can conclude that when temperature is increased, the kinetic energy of the molecules increases.

This means that temperature is directly proportional to the average kinetic energy of a gas.

8 0
3 years ago
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Palmitic acid C16H32O2 is a dietary fat found in beef and butter. The caloric content of palmitic acid is typical of fats in gen
Luden [163]
C16H32O2(aq) --> 16CO2(g) + 16H2O(l) ... said its wrong though? 
<span>This is because you haven't added any oxygen needed for the combustion, so your equation does'nt balance. Also a solution in water [aq] doesn't burn! </span>
<span>Try </span><span>C16H32O2(s) + 23O2(g) --> 16CO2(g) + 16H2O(l) 

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
</span>
7 0
3 years ago
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