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4 years ago

MATCH THE FOLLOWING!!!

Chemistry

2 answers:

Svet_ta [14]4 years ago

6 0

Match each weather instrument with its description.

weather maps/satellite - used to help track air masses and fronts
Doppler radar - uses frequency waves to track particle movement
radiosonde - carried with a weather balloon
wind vane - points in the direction winds are coming from
psychrometer - uses two thermometers; a dry and wet bulb

prisoha [69]4 years ago

3 0

Answer: The correct matching sequence is:

1 -D , 2-C, 3-E, 4-B , 5-A

Explanation:

Weather maps/satellite:These are the satellites used to monitor the climate on the Earth in day and night.Like moc=vment of clouds, El Nino. La Nina ertc

Doppler radar is a system used to track the velocity or motion of the rain , storm or precipitation.It emit microwave signals to check the change in frequency of the wave due to the motion of the particles.

Radiosonde is an instrument carried away by balloon or any other means into different layers of atmosphere and sends information via radio.

Wind vane is an instrument used to show the direction of the wind. P

Psychrometer is an instrument used to measure atmospheric humidity.It consist of two thermometer that is wet bulb thermometer and dry bulb thermometer.

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A certain main-group element exhibits the following successive ionization energies in kJ/mol:IE1 = 100; IE2 = 2200; IE3 = 3300;

Alex787 [66]

Answer:

The option C is the false statement

Explanation:

Ionization energy is the energy needed to completely pull out an electron from the valence electron of a gaseous atom.

The given values of ionization energy (kJmol⁻) for a main group element is: IE₁ = 100; IE₂ = 2200; IE₃ = 3300; IE₄ = 4100; IE₅ = 5200

Since first ionization energy is very low and the difference between the first and the second ionization energy for the given element is very high.

Therefore, the given chemical element is most likely an alkali metal belonging to the group IA of the periodic table.

As the alkali metals react with oxygen to form oxides. So, the given element (J) can react with oxygen to form oxide of the formula J₂O.

Since the given element has low first ionization energy, thus it is reactive. Therefore, the given element can not exist as a free element.

If the given chemical element belongs to the period 3 of the periodic table, then it is should be the group IA alkali metal, sodium.

Therefore, option C is the false statement.

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4 years ago

What is the molar mass of CH2O2?

Flauer [41]

M CH₂O₂:
mC + mH×2 + mO₂×2 = 12g + 1g×2 + 16g×2 = 46g/mol

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3 years ago

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Which is the main source of dissolved oxegyn in the ocean

kolezko [41]

Answer:phytoplankton

Explanation:

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3 years ago

Transferring or sharing electrons between atoms forms

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It forms something called a bond.

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3 years ago

renal calculi contain crystallized calcium, magnesium, and uric acid. explain why patients with hyperparathyroidism would be at

Phantasy [73]

Patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

Hyperparathyroidism occurs when there is over secretion of parathyroid hormone by the parathyroid glands.

The parathyroid hormone is responsible for the following in the body:

Release of calcium by bones into the bloodstream.

Absorption of calcium from food by the intestines, and

Conservation of calcium by the kidneys.

Renal calculi are strong masses of stones deposited in the kidneys or urinary bladder.

When there is excess calcium in the blood due to hyperparathyroidism, the kidneys would be over burdened with the excretion of excess calcium.

That extra calcium in the kidney & the urine leads to kidney stone development ( renal calculi).

Therefore, patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

Learn more here:

brainly.com/question/24153052

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3 years ago