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Arturiano [62]
3 years ago
14

Help me name these molecules please

Chemistry
1 answer:
MrMuchimi3 years ago
6 0

Answer:

1. carboxylic acid

2. ether

3. ester

4. aldehyde

5. ketone

6. amine

7. alcohol

Explanation:

Know the functional groups. If you would like to learn them, let me know.

- Hope that helps! Please let me know if you need further explanation.

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A car starts from rest gains velocity 20m/s in 10 second find its acceleration?​
professor190 [17]

Answer:

acceleration(a)=2m/s²

Explanation:

initial velocity(u)=0m/s

final velocity (v)=20m/s

time taken (t)=10sec

now

v=u+at

20=0+a*10

a=2m/s²

4 0
3 years ago
Dna is approximately 2.5 nm in length. of an average man is 5 ft 10 in. tall, how many dna molecules could be stacked to extend
Angelina_Jolie [31]
To determine the number of dna molecules that can be stacked as requested in this item, we convert the given measurements in a single unit. For simplicity, we convert all the lengths to meters.

Length of DNA molecule = (2.5 nm)(1 x 10^-9 m/1 nm) = 2.5 x 10^-9 nm

Height of a person = (5 ft 10 in)(12 inches/ 1ft)(2.54 cm/1 in)(1 x 10^-2 m/ 1 cm)
               = 1.778 m

Then, divide the height of the person by the length of a single DNA molecule.

       n = 1.778 m / (2.5 x 10^-9)
       n = 7.112 x 10^8

Hence, the number of DNA would be 7.112 x 10^9. 
5 0
4 years ago
Read 2 more answers
Which statement is true regarding a triation
kumpel [21]

Answer:

It determines the concentration of an unknown substance in neutralization reactions.

6 0
3 years ago
8. If 0.795 moles of ammonia gas occupies 42.5 L at 670 torr, what is the Celsius temperature?
maksim [4K]

<u>Answer:</u> The temperature in degree Celsius is 301.31°C

<u>Explanation:</u>

To calculate the temperature, we use the equation given by ideal gas, which is:

PV=nRT

P = pressure of the gas = 670 torr = 0.882 atm   (Conversion factor: 1 atm = 760 torr)

V = volume of gas = 42.5 L

n = number of moles of gas = 0.795 mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of gas

Putting values in above equation, we get:

0.882atm\times 42.5L=0.795mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times T\\\\T=574.31K

Converting the temperature from kelvins to degree Celsius, by using the conversion factor:

T(K)=T(^oC)+273

574.31=T(^oC)+273\\T(^oC)=301.31^oC

Hence, the temperature in degree Celsius is 301.31°C

6 0
3 years ago
there are 25 elements found in living things. how many of these elements are found in some organisms but not at all?
Harman [31]

how many of these elements are found in some organisms but not at all?

SIX (6)

6 0
3 years ago
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