Answer: Volume of the gas at STP is 22.53 L.
Explanation:
Given : Volume = 125 mL (as 1 mL = 0.001 L) = 0.125 L
Temperature =
Pressure =
According to the ideal gas equation, the volume of given nitrogen gas is calculated as follows.
PV = nRT
where,
P = pressure
V = volume
n = number of moles
R = gas constant = 0.0821 L atm/mol K
T = temperature
Substitute the values into above formula as follows.
Hence, volume of the gas at STP is 22.53 L.
Answer:
radiation, conduction, convection
Explanation:
A. it radiates the heat away from the pot, B. the heat is conducted, c. the heat convects to the whole pot to cook the food.
It’s a practice of artificially inducing or increasing precipitation through clouds by adding external agents.
The foreign particles which are drenched over these clouds can be Dry Ice(solid carbon dioxide), Silver Iodide, Salt powder etc. This process is known as Cloud Seeding. This stimulation is done by aeroplanes or rockets. And then finally "rain on".
Agitation : The first stage includes the use of chemicals to stimulate the air mass upwind of target area to rise and form clouds. These chemicals absorbs the water vapour and helps in the process of condensation. Chemicals like - Calcium Oxide, compound of Urea and Ammonium Nitrate or Chloride Calcium Carbonate.
Building Up Stage : In the second stage the mass of the cloud is build up by urea, dry ice, kitchen salt etc to increase the density of the clouds.
Seeding : In the final stage of persuing the artificial rain, super cool chemicals (dry ice or iodide) are bombarded with the presurized canister onto the base of the clouds to build the beads of water and make them fall as rain.
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Answer: 4 mol H2O2
Explanation:
First we need to write an equation that relates H2O2 to H2O (water)
H2O2 --> H2O + O2
Now we need to balance the equation so there's the same amount of atoms on each side. We can do this by adding a 2 in front of the H2O2 and H2O. So our balanced equation is now:
2 H2O2 --> 2 H2O + O2
Now, we do dimensional analysis to answer the question.
4 mol H2O * (2 mol H2O2)/(2 mol H2O) = 4 mol H2O2
Answer:
OH
Explanation:
The chemical can be assigned the formula OH since it yielded the same volume of hydrogen and oxygen
b) different formula is possible for example consider the two equations below:
2OH → H₂ (g) + O₂(g) and
H₂O₂ → H₂ + O₂
the proportion of hydrogen is the same for both equation, the coefficient can be any number provided it yielded the same proportion.