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Marrrta [24]
4 years ago
5

Write a qualitative example ? urgent response plssss

Chemistry
1 answer:
ArbitrLikvidat [17]4 years ago
6 0

Explanation:profeción: arquitecto ,m  edi co ingeniero,abogado

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Express 749 000 000 in scientific notation,
Dima020 [189]

Answer:

7.49 × 108

Explanation:

Scientific notation is a way to express numbers in a form that makes numbers that are too small or too large more convenient to write. It is commonly used in mathematics, engineering, and science, as it can help simplify arithmetic operations. In scientific notation, numbers are written as a base, b, referred to as the significant, multiplied by 10 raised to an integer exponent, n, which is referred to as the order of magnitude:

8 0
3 years ago
What is the interval used on the y-axis of this graph?
bezimeni [28]

Answer:

5

Explanation:

the numbers go up by 5

7 0
3 years ago
At what temperature is the substance a heated gas ?
Scrat [10]
Probably, above 100 Degree Celsius.
4 0
3 years ago
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A balloon is filled with 2.5 L of helium at 1 atm of pressure. If the pressure
ch4aika [34]

Answer:

5 L

Explanation:

Given data

  • Initial pressure (P₁): 1 atm
  • Initial volume (V₁): 2.5 L
  • Final pressure (P₂): 0.50 atm
  • Final volume (V₂): ?

For a gas, there is an inverse relationship between the pressure and the volume. Mathematically, for an ideal gas that undergoes an isothermic change, this is expressed through Boyle's law.

P_1 \times V_1 = P_2 \times V_2\\V_2 = \frac{P_1 \times V_1}{P_2} = \frac{1atm \times 2.5L}{0.50atm}= 5 L

8 0
4 years ago
The model below shows an atom of an element. 9 light grey and 8 dark grey balls sit at the center with 2 concentric black rings
aleksley [76]

Answer:

sorry if this is a bit late but i know what your talking about and your answer would be 8

stay happy!!

3 0
4 years ago
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