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Sindrei [870]
3 years ago
8

Classify these compounds as ionic or molecular. ncl3 nabr

Chemistry
1 answer:
Svet_ta [14]3 years ago
3 0
NCl3= molecular compound

NaBr =  ionic compound

molecular  compound is formed  when two  non metals    form a bond by sharing electrons

in NCl3   electrons are  shared to each other

ionic compound is formed  when  a metal and a non-metal form a bond by losing and  gaining of electrons

In NaBr   Na is the metal  while Br is the non -metal. Na  loses  electrons while Br gain electrons
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A geologist measures the height of a mountain.the height is 5.3489km what is the height in meters write your answer in decimal
Xelga [282]

Height of a mountain is 5348.9 meter.

1 kilometer is equal to 1000 meter.

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7 0
1 year ago
The ph3 molecule is polar. does this offer experimental proof that the molecule cannot be planar? explain.
Alex
<span>Answer: if it was planar the center of the negative forces and the center of the positive forces would be at the same place, meaning no di-poles would form so it wouldnt be polar. as it is polar it therefore cannot be planar. the neagative center(pole) is above the the positive one due to the pair of unbonded electrons.</span>
7 0
3 years ago
Samples with masses of 5.5 g 2.27 g and 0.8995 g are mixed together. The sum of the masses of the three
Nadusha1986 [10]

Answer:

m=8.7g

Explanation:

Hello,

In this case, it is widely known that when measurements with different significant figures are put under mathematical operations, the final result must be displayed with the same amount of significant figures of the shortest measurement, thus, due to the fact that 5.5 g has two significant figures only the result is consequently shown with two significant figures as well as shown down below:

m=5.5g+2.27g+0.8995g\\\\m=8.6695g

By rounding the first six to seven due to the fact that the next six is greater than five, according to rounding rules, the result is:

m=8.7g

Best regards.

3 0
3 years ago
Cacodyl, which has an intolerable garlicky odor and is used in the manufacture of cacodylic acid, a cotton herbicide, has a mass
Papessa [141]

Answer:

The molecular formula of cacodyl is C₄H₁₂As₂.

Explanation:

<u>Let's assume we have 1 mol of cacodyl</u>, in that case we'd have 209.96 g of cacodyl and the<u> following masses of its components</u>:

  • 209.96 g * 22.88/100 = 48.04 g C
  • 209.96 g * 5.76/100 = 12.09 g H
  • 209.96 g * 71.36/100 = 149.83 g As

Now we convert those masses into moles:

  • 48.04 g C ÷ 12 g/mol = 4.00 mol C
  • 12.09 g H ÷ 1 g/mol = 12.09 mol H
  • 149.83 g As ÷ 74.92 g/mol = 2.00 mol As

Those amounts of moles represent the amount of each component in 1 mol of cacodyl, thus, the molecular formula of cacodyl is C₄H₁₂As₂.

3 0
3 years ago
What is the volume, in liters, occupied by 0.485 moles of Oxygen gas at 23.0 oC and 0.980 atm?
____ [38]
Use the universal gas formula

PV=nRT
where
P=pressure ( 0.980 atm)
V=volume (L)
T=temperature ( 23 ° C = 23+273.15 = 296.15 ° K)
n=number of moles of ideal gas (0.485 mol)
R=universal gas constant = 0.08205 L atm / (mol·K)

Substitute values,
Volume, V (in litres)
=nRT/P
=0.485*0.08205*296.15/0.980
= 12.0256 L
= 12.0 L (to three significant figures)


Read more on Brainly.com - brainly.com/question/10606064#readmore
5 0
3 years ago
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