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CaHeK987 [17]
3 years ago
9

How many significant figures does the number have? 9,000,100

Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Answer:

5 Significant Figures

Explanation:

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What are Saturn's rings made up of and where are they found?(write like a sentences or two if u can)
Alenkinab [10]

Saturn's rings are made of ice and rock. These pieces vary in size. Some are as small as a grain of sand. Others are as large as a house. The rings of Saturn are the most extensive ring system of any planet in the Solar System. They consist of countless small particles, ranging in size from micrometers to meters, that orbit around Saturn. They are found around the planet

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The rate at which radioactive decay occurs & how much radioactive decay has occurred
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Why are sulphur and oxygen in group 6 in terms of electronic configuration
Irina-Kira [14]

Answer: Because sulfur is directly below oxygen in the periodic table, these elements have similar electron configurations. As a result, sulfur forms many compounds that are analogs of oxygen compounds, as shown in the table below. ... O=O. double bonds are much stronger than S=S double bonds.

7 0
3 years ago
A helium-filled weather balloon has a volume of 793 L at 16.9°C and 759 mmHg. It is released and rises to an altitude of 4.05 km
mariarad [96]
<h3>Answer:</h3>

1082.96 L

<h3>Explanation:</h3>

We are given;

  • Initial volume of helium gas, V1 = 793 L
  • Initial temperature, T1 = 16.9°C

            But, K = °C + 273.15

  • Thus, initial temperature, T1 is 290.05 K
  • Initial pressure, P1 = 759 mmHg
  • New pressure at 4.05 km, P2 = 537 mmHg
  • New temperature at 4.05 km, T2 = 7.1 °C

                                                             = 280.25 K

Assuming we are required to calculate the new volume at the height of 4.05 km

We are going to use the combined gas law.

  • According to the combined gas law;

\frac{P1V1}{T1}=\frac{P2V2}{T2}

  • Rearranging the formula;

V2=\frac{P1V1T2}{P2T1}

V2=\frac{(759mmHg)(793L)(280.25K)}{(537mmHg)(290.05K)}

V2=1082.96L

Therefore, the new volume of the balloon at the height of 4.05 km is 1082.96 L

6 0
3 years ago
Write a scientific explanation that compares the electrical forces of ethanol, hexane, and water.
olchik [2.2K]

Answer:

"Water and ethyl alcohol will both have dipole-dipole interactions.

Technically they will both have Hydrogen bonding, which is a type of dipole-dipole. This is due to the high electronegativity values of oxygen atoms compared to the carbon and hydrogen atoms the oxygens bond to. This causes regions of both of these molecules that have partial negative charges and other regions wind up with partial positive charges.

Hexane will not have any dipole-dipole interactions because it is a non-polar molecule. The intermolecular forces between hexane molecules will be dispersion forces."

Explanation:

Here is the place I found the answer:  https://socratic.org/questions/which-of-these-structures-has-dipole-dipole-interactions-water-h2o-ethyl-alcohol

All of this answer belongs to that person. I do not own any of this information.

5 0
3 years ago
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