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bulgar [2K]
3 years ago
13

Which statements accurately describe the polarity and electronegativity of water?

Chemistry
1 answer:
Whitepunk [10]3 years ago
5 0
<span>The statement that most accurately and effectively described the polarity and electronegativity in water is that the covalent bonds within these water molecules bind with the single oxygen atom in the molecule, as well as the two hydrogen atoms that it holds as well.</span>
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AlCl3 + NaOH = NaClO2 + Al(OH)3<br> balance the equation!<br> *dont forget the O2 in NaClO2!!
Verdich [7]

Answer:

AlCl₃  + 3NaOH  → 3NaCl  +   Al(OH)₃

Explanation:

Problem is to balance the given chemical equation:

      Equation:  

              AlCl₃  + NaOH  → NaClO₂   +   Al(OH)₃

Balancing a chemical equation involves the conservation of atoms on both sides of the equation.

We can use a very simple mathematical method to balance the above equation;

           aAlCl₃  + bNaOH  → cNaCl   +   dAl(OH)₃

a, b, c and d are coefficients that will balance the equation:

  Conserving Al:  a  = d

                       Cl:   3a = c

                       Na:   b = c

                       O:      b = 3d

                       H:      b = 3d

Assume that a = 1;

                       c = 3

                       b = 3

                      d = 1

            AlCl₃  + 3NaOH  → 3NaCl  +   Al(OH)₃

O₂ in from of the NaClO₂ flouts the rule of chemical combination

6 0
3 years ago
a sample of gas initially at 0.92 atm and a temperature of 23.2 oc is heated to 40.1 oc. the resulting pressure is 1.3 atm which
Sliva [168]

From the gas law, PV=nRT we can say that P(pressure), V(volume) and T (temperature) are related to each other. The initial volume of sample is 408 ml

Given that initial volume of the sample = V1

initial pressure of the sample = 0.92atm

initial temperature of the sample = 23.2oC

Final pressure of the sample = 1.3atm

Final  temperature of the sample = 40.1 oC

Final  volume of the sample = 500ml = 0.5L

Using the relation P1V1/T1 = P2V2/T2

V1 = 1.3x0.5x23.2/40.1x0.92 = 15.08/36.892 = 0.408

Hence the initial volume of sample = 408 ml

To learn more about pressure click here brainly.com/question/12971272

#SPJ4

6 0
1 year ago
Which substance is not a compound
Roman55 [17]
Your going to have to take a picture or make a list of the substances so i know which are and are not a compound
3 0
3 years ago
Read 2 more answers
You will mostly find me in solid form at room temperature.<br> a<br> Metal<br> b<br> Nonmetal
Artist 52 [7]

Answer:

Nonmental.

Nonmetals are located on the far right side of the periodic table, except hydrogen, which is located in the top left corner.

Explanation:

Leave a rating and a thanks please.

5 0
4 years ago
Which statements about exothermic and endothermic reactions are correct? (its a multiple choice question)
geniusboy [140]

Answer:

C)1 and 3 only☺️

Explanation:

5 0
4 years ago
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