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Leviafan [203]
3 years ago
12

An element A has an atomic number of 11 and another element B has an atomic number 17 (A

Chemistry
1 answer:
Ray Of Light [21]3 years ago
8 0

Answer:

Agroup one.B group seven. lonic/electrovalent bonding.

sodium chloride, 2,8. 2,8,8

Explanation:

the reason why it is an lonicbonding is because it is a force of attraction between opposite charges.it involves the transfer of electrons from a metal to a non-metal.

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How many joules are required to heat 2 l of water in a pot from 20 ◦c to the boiling point of water? the specific heat of water
miss Akunina [59]
  The  joules  required  to   heat 2L  of  water  in  a  pot  from  20  c  to  the  boiling  point  of  water  is  calculated     using the following  formula

  Q=    MC  delta  T
M  = mass  =   density  x   volume(  2  x 1000= 2000ml)
M  =     1g/ml  x2000  ml  =  2000g
C  =  specific  heat   capacity =  4.18  g/c
delta  T  =  change  in  temperature  =  100 c (  boiling  point  of  water)   -  20 c =  80 c 
Q  is therefore  =   2000 g x 4.18 j/g c  x  80c  =  668800j
 


4 0
3 years ago
Arranges the following molecules in order of increasing dipole moment: <br> H2O, H2S, H2Te, H2Se.
erastova [34]

Explanation:

Dipole moment is defined as the measurement of the separation of two opposite electrical charges.

H_{2}O is a bent shaped molecule with a dipole moment of 1.87.

H_{2}S is also a bent shaped molecule with a dipole moment of 1.10.

H_{2}Te is a also a bent shaped molecule and has a negligible dipole moment.

H_{2}Se has a dipole moment of 0.29.

Therefore, given molecules are arranged according to their increasing dipole moment as follows.

        H_{2}Te < H_{2}Se < H_{2}S < H_{2}O

7 0
3 years ago
Need help with my Asse
Alex787 [66]

Answer:

lol need help with your asse

Explanation:

5 0
3 years ago
Read 2 more answers
Which career best fits the group of words below?
Phantasy [73]

Answer:

The answer is "power dispatcher."

Explanation:

"Power dispatchers" are also known as <em>"power distributors</em>." Their field of work is related to controlling the distribution of electricity to the <em>"electrical substations." </em>These substations allow the transmission of electricity to step down from a higher voltage to a lower voltage.

Whenever there is an electrical problem, the power dispatcher also comes into play. They make sure that the power lines are intact and checks for possible damages when typhoons or earthquakes occur.

Thus, this explains the answer.

8 0
3 years ago
Read 2 more answers
Organic molecules are defined as chemical compounds that contain.
sleet_krkn [62]

Organic molecules can be defined as carbon-containing molecules found in living things.

<h3>What are organic molecules?</h3>

They are chemical compounds that are mainly made up of carbon atoms.

<h3>Characteristics of organic molecules</h3>

  • They derive their three-dimensional configurations primarily from their carbon skeletons.

  • A major function of these molecules in living systems is to form the structural components of cells and tissues.

Therefore, we can conclude that the organic molecules are those that come from living beings, that is, they are compounds of biological origin, which contain carbon.

Learn more about organic molecules here: brainly.com/question/3176910

3 0
2 years ago
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