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4 years ago

Why is it important for scientists to replicate each other's experiments

2 answers:

6 0

A. Scientific results presented by a scientist should be reproducible anywhere in the world, without this, the results can not be accepted as theory.

guapka [62]4 years ago

4 0

Answer:

It is very much essential for the researchers to replicate the experiments of each other as this will assist in finding whether the essential scientific outcomes are repeatable or not. The scientific results demonstrated by a researcher should be reproducible anywhere in the globe as if it is not tan the outcomes cannot be regarded as a theory.

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Why is oxygen written with a subscript 2 in CO2?

Alexeev081 [22]

Answer:

Explanation:

the answer is b

6 0

4 years ago

Read 2 more answers

Gases do not settle at the bottom of the vessel why

bulgar [2K]

Explanation:

Gases are very less denser also, they've negligible intermolecular force of attraction between the particles of the gas. So, they all are free to roam seperately and hence making a negligible volume for which they become heavy settle down.

7 0

3 years ago

A gas has a volume of 4 L at a temperature of -33°C. if the temperature is increased to 27°C in the pressure remains constant wh

vitfil [10]

Answer:

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

4 0

3 years ago

A ballon is inflated with 2.42L of helium at a temperature of 27.0°C. When put in the freezer, the volume changes to 2.37L and -

natita [175]

Answer:

838 torr

Step-by-step explanation:

To solve this problem, we can use the Combined Gas Laws:

p₁V₁/T₁ = p₂V₂/T₂ Multiply each side by T₁

p₁V₁ = p₂V₂ × T₁/T₂ Divide each side by V₁

p₁ = p₂ × V₂/V₁ × T₁/T₂

Data:

p₁ = ?; V₁ = 2.42 L; T₁ = 27.0 °C

p₂ = 754 torr; V₂ = 2.37 L; T₂ = -8.8 °C

Calculations:

(a) Convert temperatures to kelvins

T₁ = (27.0 + 273.15) K = 300.15 K

T₂ = (-8.8 + 273.15) K = 264.35 K

(b) Calculate the pressure

p₁ = 754 torr × (2.37 L/2.42) × (300.15/264.35)

p₁ = 754 torr × 0.979 × 1.135

p₁ = 838 torr

5 0

4 years ago

The pressure and temperature inside a bike tires 10 ATM and 10 K receptively. What will the pressure be come in the tire when th

pishuonlain [190]

Answer:

P = 20atm

Explanation:

P1 = 10atm

T1 = 10K

P2 = ?

T2 = 20K

This question requires the use of pressure law which states that the pressure of a fixed mass of gas is directly proportional to its temperature provided its volume remains constant

Mathematically,

P = kT, k = P / T

P1 / T1 = P2 / T2 = P3 / T3=........=Pn / Tn

P1 / T1 = P2 / T2

P2 = (P1 × T2) / T1

P2 = (10 × 20) / 10

P2 = 20atm

The final pressure of the gas is 20atm

4 0

3 years ago