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What is the central atom for NH3, how many bonds are formed, what's the polarity and what's the direction of electronegativity?
the henrys law constant for helium gas in water at 30degc is 3.7 10-4 matm that for n2 at 30degc is 6.0 10-4 matm. if
The reference solution is made acidic instead of basic. How would this change the the test for Precipitating the CO32- and how will it change the composition of the precipitate
how many grams of aspirin were lost in the washing process you used to purify your product assuming you used 50 ml of
How many grams of H2O can be cooled from 45 degrees C to 15 degrees C by the evaporation of 63 grams of water.
A mole of CH4 expands reversibly from 1 to 50 L at 25 degrees Celsius. Calculate the work in Joules assuming 1) the gas is ideal and 2) the gas obeys the van der Waals equation. For CH4 (g), a = 2.283 L^2 bar mol^-2 and b = 0.04278 L mol^-1
Calculate the molarity of 464 mL of a solution that contains 135 g of sucrose C12H22O11
Notice that the reaction produces , which can be breathed, and absorbs , a product of respiration. Suppose you work for a company interested in producing a self-rescue breathing apparatus (based on the above reaction) which would allow the user to..
A furnace is burning coal at the rate of 950,000 kg of coal/day. The coal contains 5.5% ash and 99% of that ash is collected in the air pollution control (APC) device downstream from the furnace
Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 10-8 at 700°C. 2 H2S(g) 2 H2(g) + S2(g) If 0.33 mol H2S is placed in a 4.7 L container
In each of the following polyatomic ions, the central atom has an expanded octet. Determine the number of electron pairs around the central atom and the hybridization in: SF2 2- AsCl6- Scl4 2- I'm really confused on this one so your thorough help ..
What volume will nitrogen gas occupy if the pressure is increased to 894 torr at constant temperature?
In a pure sample of which of the following is there no hydrogen bonding? a. CH3NH2 b. (CH3)2NH c. (CH3)N d. none, pure samples of all these have hydrogen amines
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