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Archy [21]
3 years ago
14

Performed: calculation and give the answer what the correct number of decimal places 32.0 cm +6.92 cm

Chemistry
1 answer:
Tanzania [10]3 years ago
8 0

38.92 There are two decimal spaces


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___C + ___S8 → ___CS2
qwelly [4]

Answer:

4,1,4

Explanation:

Balancing a synthesis equation

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A blank studies and forecasts the weather using data gathered from many surfaces
JulijaS [17]
Meteorologist study weather.so i would say the answer is meteorologist.
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If a satellite or spaceship explodes in outer space, you can see the explosion from a distance but you cannot hear it. Why?
Lynna [10]
The answer is:
   C) Sound is a mechanical wave and needs a medium to travel through while light is an electromagnetic wave.
5 0
4 years ago
Read 2 more answers
Write net ionic equations for the reactions that take place when aqueous solutions of the following substances are mixed: a. sod
strojnjashka [21]

Answer:

A. H₃O⁺ + CN⁻ → H₂O + HCN

B. OH⁻ + NH₄⁺ → NH₃ + H₂O

C. CN⁻ + NH₄⁺ → HCN + NH₃

D. HSO₄⁻ + CH₃COO⁻ → SO₄²⁻ + CH₃COOH

E. ClO⁻ + NH₃ → NO REACTION

Explanation:

Part A.

Sodium cyanide consist of Na⁺ and CN⁻ ions. CN⁻ is a conjugate base and accept H⁺ ion from nitric acid to form HCN (hydrogen cyanide).

Part B.

Ammonium chloride consist of NH₄⁺ and Cl⁻ ions. Sodium hydroxide is a strong base dissociate completely in solution convert into ammonium hydroxide and sodium chloride.

Part C.

Sodium cyanide consist of counter ion Na⁺ . CN⁻ combined with ammonium bromide to form ammonium cyanide and sodium bromide.

Part D.

Potassium hydrohen sulphate consist of potassium counter and hydrogen sulphate ion. Hydrogen sulphate combined with acetate ion to form acetic acid and sulphate ion.

Part E.

There have no reaction because hypochlorite and ammonia both are bases.

8 0
4 years ago
Is Ca-Ci a covalent or ionic bond and why?
taurus [48]

Ionic bond

Explanation:

Ca - Cl₂ is an ionic bond because it involves a true metal and a non-metal.

An ionic bond is an inter-atomic bond between two chemical species.

  • This bond forms between two atom with a large electronegative difference.
  • Often times, this corresponds to a metal and a non-metal.
  • The metal is the less electronegative specie and the non-metal is more electronegative
  • The metal such as Ca loses two electrons to become positively charge ion.
  • The non-metal gains the electrons. Here two atoms of Cl are turned to ions.
  • Electrostatic attraction between the metal and non-metal forms the ionic bonding.

learn more;

Ionic bond brainly.com/question/6071838

#learnwithBrainly

5 0
3 years ago
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