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jekas [21]
2 years ago
13

Witch one is bigger 25yd or 75ft

Chemistry
2 answers:
Aleonysh [2.5K]2 years ago
4 0

Answer: in 25 yards there is 75 feet. Witch is the same to say that 25 yards is 75 feet.

Explanation:

bixtya [17]2 years ago
3 0

Answer:

25yd is bigger

Explanation:

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uranium oxide

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Radio stations identify themselves by their position on the radio dial such as 90.1 and 93.3. This number is based on the number
netineya [11]
<span>D. frequency is the answer</span>
4 0
3 years ago
Can you identify a chemical only by knowing its physical properties?
amid [387]

Answer:

Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure

Explanation:

4 0
2 years ago
Three sections of the periodic table are labeled A, B, and C in the image below.
OLga [1]

Answer:

Choice number two: this element is malleable and ductile.

Explanation:

A modern periodic table can be split into three sections:

(from left to right)

  • Metals,
  • Metalloids, and
  • Nonmetals.

Based on the descriptions, section A likely refers to the metals. Section B likely refers to metalloids. Section C likely refers to nonmetals.

Metals are malleable and ductile. They are good conductors of electricity.

The reason is that in a metal, the valence electrons do not belong to some specific atom. Rather, the metal cations share these electrons. The electrons are free to move around the metal and conduct electricity.

Ionic compounds like table salt are brittle. The reason is that when an ionic compound is deshaped, ions of the same charge come directly into contact with each other. That creates repulsion and cracks the crystal. In contrast, the metal cations in a metal won't come into contact with each other. Electrons would rapidly fill the gap between these cations, so the metal won't crack. That's why unlike ionic compounds, metals are malleable and ductile.

The melting points of metals can vary significantly. Indeed, the mercury (\rm Hg, a metal) is a liquid at room temperature. In contrast, tungsten (\rm W, also a metal) won't melt until it is heated to over \rm 3000\, ^\circ C.

3 0
3 years ago
How many attoms are equal 6.19 moles of hydrogen?​
Wittaler [7]

Answer:

3.727x10^24 atoms.

Explanation:

When calculating how many molecules are in a compound or element, we refer to Avogardo's number.

Your equation will look like this: 1 mole/ 6.022x10^23 molecules (Avogardo's number).

Multiply 6.19 by Avogardo's number to get your answer.

4 0
3 years ago
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