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2 years ago

Which of these best describes the basis on which new scientific ideas are accepted or rejected?

Chemistry

1 answer:

Luda [366]2 years ago

3 0

Answer:

This question lacks options, the options are:

A. Moral and ethical beliefs

B. Popular support

C. Compelling evidence

D. Historical support

The answer is C. Compelling evidence

Explanation:

Scientific investigations are used to proffer solutions to problems or answer a question. However, before these scientific ideas can be accepted or rejected, it must be subject to falsifiable testing via experiment.

A hypothetical statement is given to explain a scientific observation, which is subjected to further testing via experimentation. The outcome of the experiment provides a COMPELLING EVIDENCE on which the acceptance or rejection of a scientific idea is based.

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How many internal parts or “organelles” are there in a plant cell? please i need a answer!

Ghella [55]

Answer: it has 2 parts

Explanation:

Firstly, plant cells have a cell wall that surrounds the cell membrane, whereas animal cells do not. Plant cells also possess two organelles that animal cells lack: chloroplasts and a large central vacuole

3 0

3 years ago

a chemical reaction produced 2.50 moles of nitrogen gas. what volume in liters, does this gas sample occupy at STP? (show your w

Harrizon [31]

The volume of N₂ at STP=56 L

<h3>Further explanation</h3>

Given

2.5 moles of N₂

Required

The volume of the gas

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, the volume per mole of gas or the molar volume-Vm is 22.4 liters/mol.

So for 2.5 moles gas :

$\tt 2.5\times 22.4=56~L$

5 0

3 years ago

Who did not lead voyages of exploration? Prince Henry da Gama Dias Cabot

Elodia [21]

prince Henry is your answer (:

6 0

3 years ago

How to balance this equation KClO4 → KCl + ?O2(g) and what type of reaction occurs?

Ivahew [28]

Explanation:

here is the answer to your question

7 0

3 years ago

What is the volume of 40.0 grams of argon gas at STP ?

MrRa [10]

Answer:

24.9 L Ar

General Formulas and Concepts:

Atomic Structure

Reading a Periodic Table
Moles
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

Aqueous Solutions

States of Matter

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

[Given] 40.0 g Ar

[Solve] L Ar

Step 2: Identify Conversions

[PT] Molar Mass of Ar - 39.95 g/mol

[STP] 22.4 L = 1 mol

Step 3: Convert

[DA] Set up: $\displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})$
[DA] Divide/Multiply [Cancel out units]: $\displaystyle 24.9235 \ L \ Ar$

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

24.9235 L Ar ≈ 24.9 L Ar

5 0

3 years ago