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Which of the following molecules have dipole moments? For the molecules that are polar, indicate the polarity of each bond and the direction of the net dipole moment of the molecule.
a.)CH2Cl2, CHCl3, CCl4 b.)CO2, N2O c.)PH3, NH3
Show that the balanced equation obeys the law of conservation of mass.
For the reaction:-2 HCl + Na2CO3 - 2 NaCl + H2O + CO2 ,179.2 liters of CO2 is collected at STP.
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
Calculate the number of kilograms of helium required to inflate a balloon with a volume of 100.000 L at a pression of 250 mmHg and atmospheric temperature of -35 ° C.
Determine how many moles of carbon dioxide should be added to the system to bring the equilibrium carbon monoxide concentration to 0.743 mol/L
Why is toxicity diminished in other congeners where chlorines are removed from the 2,3,7,8 positions, or when chlorines are added to remaining positions on the rings?
What is the pH of a 0.15M solution of HCOOH formic acid if the Ka of formic acid HCOOH is 1.8x10^-4 at 25 degrees Celsius.?
Given that the density of the gas mixture =0.312 g/L at the pressure of 0.2 atm and temperature 500 Kelvin At equilibrium. Determine the value of Kc also express your answer in units of (mol/L)?
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
If the reaction N2(g) + 3H2(g) ! 2NH3(g) is carried out at constant temperature and pressure, how much H2 is required to react with 6.4 L liters of N2.
A sample of 57 grams of H 2 O with a temperature of sixteen degree celsius is combined to 260 grams of H2O at 90 degree celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
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