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n200080 [17]
3 years ago
14

A sample substance has the chemical formula:

Chemistry
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

1,6,8

Explanation:

Periodic Table- H=1.C=6,O=8

Hydrogen is H, Carbon is C, Oxygen is O

Alexeev081 [22]3 years ago
6 0

Answer:Three Different elements with atomic numbers 1,6 and 8

Explanation:

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How many parts does CsF ( Cesium Fluoride ) have?
san4es73 [151]
Good luck on this one brp
7 0
3 years ago
Convert 52.09 km/h into m/s.
Fudgin [204]

Answer:

52.09×5/18

14.44 m/s

I hope it's helps you

5 0
3 years ago
Read 2 more answers
Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pr
Delvig [45]
<h2>Hello!</h2>

The answer is: Charle's Law.

<h2>Why?</h2>

The law that states that the volume and absolute temperature of a fixed quantity of gas (ideal gas) are proportional under constant pressure is the Charle's Law, also known as the law of volumes.

The law describes how a gas kept under constant pressure tends to expand when the temperature increases and it's described by the following equation:

\frac{V}{T}=k

Where,

V=Volume\\T=Temperature\\k=constant

Also, to describe the relationship between two differents volumes at different temperatures, we have:

\frac{V_{i}}{T_{i}}=\frac{V_{f}}{T_{f}}

Where,

V_{i}=InitialVolume\\T_{i}=InitialTemperature\\V_{f}=FinalVolume\\T_{f}=FinalTemperature

Have a nice day!

8 0
3 years ago
Read 2 more answers
Identifying Qualitative and quantitative Data
lyudmila [28]

Answer:

qualitative data :           quantitative data :      

circular in shape            75 colonies ...          

stained purple               200 purple ..

spreads across plate    55 colonies ...          

Explanation:

i got it right :) .

7 0
3 years ago
a scuba diver's tank contains 0.29g of oxygen compressed into volume of 2.3L. What is the pressure in the tank at 9C?
viva [34]

Answer:

The answer to your question is P = 0.18 atm

Explanation:

Data

mass of O₂ = 0.29 g

Volume = 2.3 l

Pressure = ?

Temperature = 9°C

constant of ideal gases = 0.082 atm l/mol°K

Process

1.- Convert the mass of O₂ to moles

                16 g of O₂ -------------------- 1 mol

                0.29 g of O₂ ----------------   x

                    x = (0.29 x 1)/16

                    x = 0.29/16

                    x = 0.018 moles

2.- Convert the temperature to °K

Temperature = 9 + 273 = 282°K

3.- Use the ideal gas law ro find the answer

              PV = nRT

-Solve for P

              P = nRT/V

-Substitution

              P = (0.018 x 0.082 x 282) / 2.3

-Simplification

              P = 0.416/2.3

-Result

               P = 0.18 atm

5 0
4 years ago
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