Answer:
C - Cl = Polar (Chlorine has an electronegativity of 3.16 and Carbon has 2.55. The difference between the two determines if the bond is polar or non polar, and the difference is 0.61 which means its polar)
Br - Br = Non-polar (Diatomic molecules are non-polar)
N - O= Non-polar ( The electronegativity difference is 0.4, making it non-polar)
P - Cl= Polar (The difference in electronegativity between them is 0.97, making it polar)
Answer:
290 g of hydrogen peroxide would fill the 200.0 mL container
Explanation:
Given data:
Volume = 200.0 mL
Mass of hydrogen peroxide = ?
Solution:
Density of hydrogen peroxide is 1.45 g/cm³.
Density:
Density is equal to the mass of substance divided by its volume.
Units:
SI unit of density is Kg/m3.
Other units are given below,
g/cm3, g/mL , kg/L
Formula:
D=m/v
D= density
m=mass
V=volume
Now we can determine the mass of hydrogen peroxide.
D = m/v
1.45 g/cm³ = m/ 200.0 mL
1 mL = 1 cm³
m = 1.45 g/cm³× 200.0 cm³
m = 290 g
So 290 g of hydrogen peroxide would fill the 200.0 mL container.
Answer:
D.
The mass of an object is described in grams
Answer:Given data from the lab collated as 291.15k for Temperature, 0.061L for volume and 1atm pressure.
Initial hydrogen peroxide solution is 5ml with a weigh % concentration 6.6%
n=0.0025moles of oxygen AND 0.0097moles of H2O2 were present
Explanation:
2H2O2(aq)-----2H2O(I)+2O2(g)
Recall the idea gas equation
PV=nRT
n=PV/RT---(1) solving equation (1) using the data in the answer section above.
n=0.0025moles of oxygen is produced.
Recall that for every 100ml of solution you get 6.6g of hydrogen peroxide.
Your 5ml will thus contain
5ml*6.6g H2O2/100ml=0.33g
no of moles if H2O2=0.33/34.015=0.0097moles
(99.63/100 x 14.003) + (0.37/100 x 15)
13.9511889 + 0.0555 = 14.0066889amu
13.95 + 0.0555 = 14.0055 (same thing just rounded numbers)
(You can round that to 14amu)
Answer is 14 amu
