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3 years ago

6

How do ethics affect scientific research

1 answer:

densk [106]3 years ago

4 0

Answer: Ethical concerns affect scientific research when scientists or groups of scientists let their personal bias or political persuasions affect the research being conducted. Scientific ethics involve doing experimentation and analysis of data without bias no matter what the conclusions point to.

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Chemistry student measured the boiling point of lyric acid to be 40°C the actual boiling point of lyric acid is 43.2°C what is t

soldier1979 [14.2K]

The percent error of Chemistry student : 7.4%

<h3> Further explanation </h3>

Given

40 °C measurement

Required

The percent error

Solution

% Error : difference between the theoretical value and the actual value

or

% Error : Absolute Error / Accepted Value

Absolute Error = Measured Value - Accepted Value

% Error for Chemistry student :

1. Subtract the measurement value with the accepted value

= 40 °C - 43.2 °C

= -3.2 °C

2. Divide by the accepted value, and multiply by 100

= |-3.2/43.2| x 100%

= 7.4%

3 0

3 years ago

How many molecules of CH4 are in 48.2 g of this compound? A) 2.00 x 1023 B) 5.00 x 10-24 C)1.81 x 1024 D) 4.00 E) 4.64 x 1026 10

Tasya [4]

<u>Answer:</u> The correct answer is Option C.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Given mass of methane = 48.2 g

Molar mass of methane = 16 g/mol

Putting values in above equation, we get:

$\text{Moles of }CH_4=\frac{48.2g}{16g/mol}=3.0125mol$

According to mole concept:

1 mole of compound contains $6.022\times 10^{23}$ number of molecules.

So, 3.0125 moles of methane will contain = $3.0125\times 6.022\times 10^{23}18.141\times 10^{23}=1.81\times 10^{24}$ number of molecules.

Hence, the correct answer is Option C.

8 0

3 years ago

When sodium atoms (Na) and chlorine atoms (CI) join to make

romanna [79]

Answer: Potassium and fluorine

Explanation:

The two rows form bonds the easiest

6 0

3 years ago

Read 2 more answers

solmaris [256]

A simple sugars are formed

5 0

3 years ago

Read 2 more answers

The pressure of a 5.0 L sample of gas changes from 3.0 atm to 10.0 atm while the temperature remains constant. What is the gas’s

lina2011 [118]

Answer:

<h2>The answer is 1.5 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

Since we are finding the new volume

$V_2 = \frac{P_1V_1}{P_2} \\$

From the question we have

$V_2 = \frac{5 \times 3}{10} = \frac{15}{10} = \frac{3}{5} \\$

We have the final answer as

<h3>1.5 L</h3>

Hope this helps you

8 0

3 years ago