A solution of ammonia and water contains 1.80×1025 water molecules and 7.00×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Answers
Answer:
6.40x10²⁵ hydrogen atoms
Explanation:
The solution contains:
- 1.80x10²⁵ water molecules (H₂O)
- 7.00x10²⁴ ammonia molecules (NH₄)
We need to calculate the total of hydrogen atoms (H) in the solution.
- Each water molecule (H₂O) has 2 hydrogen atoms
- Each ammonia molecule (NH₄) has 4 hydrogen atoms
Lets now calculate the number of hydrogen atoms in the solution:
total H atoms = (H atoms in water molecules) + (H atoms in ammonia molecules)
total H atoms = (2 x 1.80x10²⁵) + (4 x 7.00x10²⁴) =
total H atoms = 3.60x10²⁵ + 2.80x10²⁵ = 6.40x10²⁵
Total H atoms = 8.4*10^25 + 1.8*10^25 = 1.02*10^16 H atoms
Related Questions
Which is a substance that is made up of only one type of atom? compound element solution mixture
The interactive forces between particles are... A) less effective in solids than in liquids B) more effective in solids than in liquids C) equal to that of a gas D) zero
What is the study of the spectra produced from the emission and absorption of electromagnetic radiation? study of absorption spectrums study of emission spectrum nanotechnology spectroscopy
Which two gases make up most of the atmosphere?
B. 1 to 8
C. more than 8
D. It depends on what the element is.
Answers
Answers
Answer:
-1215.9J is the work done
Explanation:
It is possible to find work done in the change of volume of a gas at constant pressure using:
W = -P×ΔV
Where W is work, P is pressure and V is change in volume}
Replacing:
W = -6atm×(5L-3L)
W = -12atmL
As 1atmL = 101,325J, work done in joules is:
-12atmL ×(101.325J / atmL) = -1215.9J is the work done
The value of work done when a volume increases from 3 liters to 5 liters at 6 atm of pressure is -1215.9 Joules.
How do we calculate workdone?
Workdone on any boby or by the body will be calculated as:
W = -P×ΔV, where
W = workdone
P = applied or exerted pressure = 6 atm
ΔV = change in volume due to workdone = (5-3) L
Negative sign in the formula shows that work is done on the opposite side of the pressure or volume.
On putting all these values on the above equation, we get
W = -6atm × (5L-3L)
W = -12 atmL
We know that, 1 atmL = 101,325 J,
So, workdone in joules will be written as:
-12 atmL × (101.325J / atmL) = -1215.9 J
Hence, -1215.9 J is the workdone.
To know more about workdone, visit the below link:
brainly.com/question/18363506
Answers
Answer:
Molarity of HCl = 0.3333M
Explanation:
Given:
Volume of HCl = 15.00 ml
Volume of NaOH = 25.00 ml
Molarity of NaOH = 0.2000 M
To determine:
Molarity of HCl
Explanation:
The titration reaction is:
Based on the reaction stoichiometry:
1 mole of HCl reacts with 1 mole of NaOH to form 1 mole of NaCl and water.
Therefore the molar ratio of HCl:NaOH = 1:1
Moles of NaOH consumed = Moles of HCl present = 0.005 moles
HCl+NaOH -> NaCl + H2O
1:1 ratio
M1=Molarity of HCl = X
V1 = Volume of HCl = 15mL = 0.015L
M2 = Molarity of NaOH = 0.2M
V2 = Volume of NaOh = 25mL = 0.025L
(XM)(0.015L)=(0.2M)(0.025L)
Isolate unknown:
(XM)=[(0.2M)(0.025L)/(0.015L)]
XM=0.33M
Hence, Molarity of HCl is = 0.33 Moles
Answers
It's a technique which is used for separation of solids and fluids by putting them through a medium which allow only fluid to pass through, leaving the solids (in this case the soil) alone.
The fluid that passed is called the filtrate
Answers
The answer is Copper (I) Acetate. (:
b. shale
c. magma
d. silt
Answers
Limestone is a sedimentary rock. It was formed from small rock or stone particles that have been compacted by pressure. It can be formed either by evaporation or with the help of living organisms.
Calcium carbonate in seawater are used by ocean-dwelling organisms to create their shells and bones; like corals, clams, oysters. When these organism die, their shells and bones are broken down by the waves and settle on the ocean floor where the pressure of the ocean water drives these sediments together to create limestone.
Limestone is created through evaporation. When water containing calcium carbonate evaporates it leaves behind the sediment deposit which in turn becomes limestone after being subjected to the water pressure.
Answer:
Awnser is A
Explanation: just took the test