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Nesterboy [21]
3 years ago
14

A scientist carries out an experiment how could she help other scientists judge the validity

Chemistry
2 answers:
miskamm [114]3 years ago
7 0
Logging her results of change day-by-day in a scientific journal. As well as provide as much evidence as possible to support her claim.
Mumz [18]3 years ago
7 0

The correct answer is B) let other scientists closely review her work.

<em>A scientist carries out an experiment. She could help other scientists judge the validity of her results by letting other scientists closely review her work.</em>

The scientist that has a discovery can have validation of its exériment if it allows other scientists to review its procedures, the methods, the results, and the way the scientists applied the scientific method during its research. This way the scientist can confirm that its work was good, valid, and can publish its conclusions in a scientific journal.

The other options of the question were A) use confusing language in her report, C) prevent others from seeing her data, and D) keep her experimental procedure a secret.

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What mass of nitrous oxide gas (N2O) is contained in 40.0 L balloon at a pressure of 130.0 kPa and a temperature of 25 °C?
tamaranim1 [39]

The mass of the N₂O in the given question is 92.4g.

<h3>What is the moles of N2O in the given conditions?</h3>

STEP1- Apply the ideal gas equation

            PV=nRT

STEP2- Put the given values in the equation

            P=130kPa,     T=298K,     V=40L  R=8.31

STEP3- Solve the equation

           N=PV/RT,

           N=130×40/8.31×298

             N=2.1moles

             N=mass/molecular mass

             mass=2.1×44

            mass = 92.4g

Hence, the mass of N₂O is 92.4g.

learn more about ideal gas.

brainly.com/question/25290815

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7 0
2 years ago
Barium has a density of 3.59 g/cm
sergejj [24]
What's the question???


3 0
4 years ago
Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li(s) + N2(g) → 2Li3N(s) How many moles of lit
miss Akunina [59]

Answer:

12.5 g of Li are needed in order toproduce 0.60 moles of Li₃N

Explanation:

The reaction is:

6Li(s) + N₂(g) → 2Li₃N(s)

If nitrogen is in excess, the lithium is the limiting reactant.

Ratio is 2:6

2 moles of nitride were produced by 6 moles of Li

Then, 0.6 moles of nitride were produced by (0.6 .6)/ 2 = 1.8 moles of Li

Let's convert the moles to mass → 1.8 mol . 6.94 g/ 1mol = 12.5 g of Li

7 0
4 years ago
Read 2 more answers
Write some example of misicible and immisicible liquid​
Eduardwww [97]

Explanation:

miscible liquids: water and alcohol

immiscible liquids: water and oil

4 0
3 years ago
I need help with chem. How do I know if this is balanced ?
ivanzaharov [21]

https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiome/balancing-chemical-equations/v/balancing-chemical-equations-introduction

this will help trust me

have a good day

6 0
3 years ago
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