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A sample of gas molecules has a temperature, T1 and a root mean square velocity, Vrms1. A second sample of the same gas has a temperature of 300K and a root mean square velocity of that is one half that of the first sample (1/2 Vrms1.) What is the temperature of the first sample (T1)?
NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.049 M in NH4Cl
Draw the skeletal structure for trans-1-bromo-2-isopropylcyclopentane. (Hint: Make sure the tapered end, i.e. the thin end, of the wedge bond is attached to the parent.)
What are the mole fractions of C6H6 (x1), C3H6 (x2), O2 (x3) and N2 (x4) in the fresh feed stream. What is n6, the molar flow rate of the recycle stream
what is the total number of grams of patassium chloride needed to saturate exactlye 300 grams of water at 10 degrees celcius?
A compound is composed of elements C, H, and N. A 11.550-mg sample of the unknown compound was combusted, producing 31.332 mg of CO2 and 8.983 mg of H2O. What is the empirical formula for this compound
The answer to Kinetics, The symmetry factor Beta was determined to be 0.4 for an activation controlled Ag deposition process. At overpotential n = -0.400 V the current density was found to be j = -5.125 A/dm^2.
Suppose a vessel contains 6.4 g of NH3, how many grams of O2 are needed for a complete reaction?
what this pH should be. A. 0.10 M phosphoric acid (H3PO4) B. 0.10 M sodium dihydrogen phosphate (NaH2PO4; the monobasic salt which contains H2PO4-ions) C. 0.10 M sodium hydrogen phosphate (Na2HPO4
Calculate ΔH° for the reaction -> 2 K(s) + 2 H2O(l) 2 KOH(aq) + H2(g) A 4.85-g chunk of potassium is dropped into 1.06 kg water at 24.0°C.
what are the various parameters that can be changed performing MASCOT. how could them affects probability score, any one know about this
What mass of CCl4 will be formed if 1.20 moles of methane react with 1.55 moles of chlorine?
Suppose a reversible heat pump transfers heat from the outdoors at 0 degrees C to a room at 20 degrees Celsius. For each Joule of work input to the heat pump, how much heat will be deposited in the room?
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