How many milliseconds (ms) are there in 3. 5 seconds (s)? 35 ms 350 ms 3,500 ms 35,000 ms.
1 answer:
Measurement units are the defined units used for the particular dimensions and proportions. 3500 milliseconds are there in seconds.
<h3>What is the unit of time?</h3>Time is defined as the rate of things occurring or taking place and is given by seconds, minutes, hours etc.
Using the conversion factor the relation between the seconds and milliseconds is:
1 second = 1000 miliseconds
Convert 3.5 seconds into milliseconds using conversion factor:
Therefore, option C. 3500 milliseconds is correct.
Learn more about time and second here:
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The question is incomplete, here is the complete question:
Problem page in each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is likely to be polar or not. if the bond is likely to be polar, write down the chemical symbol for the atom which will have more negative charge.
The image is attached below.
<u>Answer:</u>
<u>For carbon dioxide molecule:</u> The bond is considered as polar and the elecvtronegative atom is oxygen.
<u>For water molecule:</u> The bond is considered as polar and the elecvtronegative atom is oxygen.
<u>Explanation:</u>
There are two types of covalent bonds:
- <u>Polar covalent bond:</u> This bond is formed when difference in electronegativity between the atoms is present. When atoms of different elements combine, it results in the formation of polar covalent bond. <u>For Example:</u>
etc..
- <u>Non-polar covalent bond:</u> This bond is formed when there is no difference in electronegativity between the atoms. When atoms of the same element combine, it results in the formation of non-polar covalent bond. <u>For Example:</u>
etc..
<u>In carbon dioxide molecule:</u>
The given bond is present between C and O atom.
Electronegativity value of C = 2.5
Electronegativity value of O = 3.5
Electronegativity difference = (3.5 - 2.5) = 1
As, electronegativity difference is present. So, the bond is considered as polar and the elecvtronegative atom is oxygen.
<u>In water molecule:</u>
The given bond is present between H and O atom.
Electronegativity value of H = 2.1
Electronegativity value of O = 3.5
Electronegativity difference = (3.5 - 2.1) = 1.4
As, electronegativity difference is present. So, the bond is considered as polar and the elecvtronegative atom is oxygen.
Answer : The reaction 2 is spontaneous.
Explanation :
As we know that:
= +ve, reaction is non spontaneous
= -ve, reaction is spontaneous
= 0, reaction is in equilibrium
For the reaction to be spontaneous, the Gibbs free energy of the reaction must come out to be negative.
Reaction 1:
Glucose + Pi glucose-6-phosphate + H₂O, ΔG = +13.8 kJ/mol
Reaction 2:
ATP + H₂O ADP + Pi, ΔG = -30.5 kJ/mol
From this we conclude that the value of ΔG is negative. So, reaction 2 is a spontaneous reaction.