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Room temperature is often assumed to be 25°C. Calculate the molar volume of an ideal gas at room temperature
Find a parametric representation for the plane that passes through the point (?2, 2, 1) and contains the vectors i + j ? k and i ? j + k.
What is the mass (by difference) of a sample if the initial mass of the sample in the bottle was 27.68-g and the final mass of the bottle and sample was 23.63-g?
If the pressure exerted by ozone, O3, in the stratosphere is 3.0 times 10^- 3 atm and the temperature is 254 K, how many ozone molecules are in a liter?
when 1 mole of N2 is isothermally compressed from 1 atm to 1000 atm at 0C. Find the fugacity coefficient of N2 at 0C and 1000atm. HINT: Recall that for a pure material, the chemical potential is just the molar gibbs free energy.
describe an experiment that you could perform in lab that would provide the data so you could calculate the Ka value for sulfamic acid, HSO3NH2.
In general, oxides of elements further to the left on the periodic table are basic, moving toward acidic on the right. For nonmetallic oxides, when the oxidation number of the element other than oxygen is high, the oxide tends to be acidic. When t..
The sodium hypochlorite reacts with hydrochloric acid producing chlorine gas. What is the reducing agent in this reaction
How many liters of O2 (g) are needed to react completely with 56.0 L of CH4 (g) at STP to produce CO2 (g) and H2O (g)? Given CH4 + 2O2---->CO2 + H2O
Water vapor will react reversibly with methane (CH4) to produce carbon monoxide and hydrogen gas. The equilibrium, with a Kc = 0.26, is established at 9270C in a 0.32L flask which contains 0.26mol CO, 0.091mol H2, and 0.041mol CH4. What is the con..
An analysis shows that you need to neutral 3.27 meq/100gof acidity. How much of finely ground pure CaCO3 (in grams) is required to neutralize the acidity of this soil?
Which of the following signs on q and w represent ( work is done on the systemby gaining heat from the surrounding) ? a- q=+, w=- b- q=-, w=+ c- q= + ,w=+ d- q=- , w= -
What is the molarity of a solution that contains 75.0g of KNO3 dissolved in 0.350L of solution
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