1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tems11 [23]
3 years ago
10

Pcl5 exist but ncl5 does not.why?

Chemistry
1 answer:
jeyben [28]3 years ago
6 0
N is as electronegative as Cl is. So Cl doesnt react with O, N
You might be interested in
In the laboratory a student determines the specific heat of a metal. He heats 19.5 grams of copper to 98.27 °C and then drops it
siniylev [52]

Answer:

The specific heat of copper is 0.37 J/g°C

Explanation:

<u>Step 1: </u>Data given

Mass of copper = 19.5 grams

Initial temperature of copper = 98.27 °C

Mass of water = 76.3 grams

Initial temperature of water = 24.05 °C

Final temperature of water and copper = 25.69 °C

<u>Step 2:</u> Calculate specific heat of copper

Qgained = -Qlost

Q = m*c*ΔT

Qwater = -Qcopper

m(water) * c(water) * ΔT(water) = - m(copper) * c(copper) *ΔT(copper)

⇒ with m(water) = 76.3 grams

⇒ with c(water) = 4.184 J/g°C

⇒ with ΔT(water) = T2-T1 = 25.69 - 24.05 = 1.64

⇒ with m(copper) = 19.5 grams

⇒ with c(copper) = TO BE DETERMINED

⇒ with ΔT(copper) = T2-T1 = 25.69 - 98.27 = -72.58

76.3 * 4.184 * 1.64 = - 19.5 * c(copper) * -72.58

523.552 = 1415.31 * c(copper)

c(copper) = 0.37 J/g°C

The specific heat of copper is 0.37 J/g°C

3 0
4 years ago
a student uses universal pH paper to find the pH of three solutions . solution A has a pH of 5 solution B has a pH of 11 and sol
Andreas93 [3]

Universal pH paper turns red if it is very strongly acidic, turns orange if it is strongly acidic, turns yellow if it is weakly acidic, green if it is weakly alkali and blue if it is strongly alkali.

Solution A will turn orange as it is strongly acidic

Solution B will turn blue as it is strongly alkali

Solution C will turn yellowish green as it is neutral

5 0
3 years ago
In order for a solute to dissolve in a solvent, what must be true?
Sphinxa [80]
In order for a solute to dissolve in a solvent, the attractive forces in a solute need to be broken. So, the best option is A.
6 0
4 years ago
Read 2 more answers
Jane is on a merry-go-round that is moving at a constant speed. Her velocity is also constant.
tester [92]

the correct answer is False.

6 0
3 years ago
5.96 g of ammonia reacts completely according to the following reaction:
kondor19780726 [428]

Explanation:

this explanation may help u to understand:)

3 0
3 years ago
Other questions:
  • A cube with edge = 1.00” of an unknown pure substance has a mas off 10.0 oz. what is the density of this substance in g/mL? In k
    5·1 answer
  • Force necessary to change an object's motion
    11·1 answer
  • 48 When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases(
    13·1 answer
  • A communication plan can help family members stay in touch during an emergency. True False
    15·2 answers
  • Can some help me plz.
    13·1 answer
  • When placed in H2O, a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms.
    11·1 answer
  • Scientific notation.
    14·1 answer
  • ASAP!!!!! The data table below shows a person’s heart rate measured in beats per minute (bpm) at five different times in the beg
    12·1 answer
  • A sample of oxygen occupied 626 mL when the pressure increased to 874.27 mm Hg. At constant temperature, what volume did the gas
    5·1 answer
  • A student who prefers to study by recalling personal examples that connect to what is being learned, makes lists of ways to use
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!