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Yuki888 [10]
3 years ago
5

I need help on question 3 true or false thxxx quick i’m timed

Chemistry
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

The answer is true.

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Dry ice goes directly from the solid phase to the gas phase. What phase
Marianna [84]

Answer:

Sublimation is being represented.

Sublimation is the transition from solid to gas state

Hope this helps! Have a good day!

8 0
3 years ago
Read 2 more answers
As the temperature of a fixed volume of a gas increases the pressure wil
Sati [7]

Answer:

As the temperature of a fixed volume of a gas increase the pressure will increase.

Explanation:

According to the Gay- Lussac's Law,

" The pressure of given amount of gas is directly proportional to the temperature at a constant volume"

Mathematical expression:

           P ∝ T

          P = CT

          P / T = C

As the temperature increase, the pressure also increase.

The initial and final expression of volume and pressure can be written as,

P₁ / T₁  = P₂ / T₂

3 0
3 years ago
A piece of string is found to be 35.9 meters long. How long is the string in inches?
Nady [450]

Answer: 1413.39 inches

Explanation:

<u>Formula for converting meters to inches</u>

Meters x 39.37 (roughly) = Value in inches

<u>Applying formula</u>

35.9 meters x 39.37 = 1413.39 inches (roughly)

3 0
2 years ago
John rings a doorbell.
Kamila [148]

Answer:

<u>Yes</u>

Explanation:

Remember, <u>Newton's third law of motion;</u> which says in part that <em>"Every action has an equal and opposite reaction."</em>

Hence, in this case, the fact that the doorbell rang out implies that there was another force that was exerted on it; which is, John's finger pressing the doorbell.

In other words, when John uses his fingers to press the doorbell button he applies a force (a mechanical force), and that force results in an opposite reaction; the ringing of the doorbell.

6 0
3 years ago
What determines the reactivity of a metal?
fgiga [73]
The reactivity of a metal is determined by how tightly the metal holds onto the electrons in the outermost energy levels (valence electrons)
7 0
3 years ago
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