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Problem- Which of the following general electron configurations would correspond to an ad with four valence electrons a, ns^2 np^2 b, ns^2 np^4 c,ns^2 (n-1)d^4 d,ns^2 (n-1)d^10 np^4
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one method used to store energy during times of low demand is by pumping water uphill into a reservoir. when energy
Assume that 29.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of the monoprotic strong acid HX.
When acetone, C3H6O, is oxidized via combustion, the following reaction can be revisioned. Balance the reaction and determine the total of the coefficients when added together
How much water is produced in the burning of C7H16
An ideal gas that originally had a volume of 175L at 15atm and 298K was compressed to 75L at 5.0atm. Explain what was the new temperature of this gas
react ammonia with a halogenated alkane, will you get only one organic product? Why or why not?
Bromomethane is converted to methanol in an alkaline solution. The reaction is first order in each reactant.CH3Br(aq) + OH-(aq) ---> CH3OH(aq) + Br- (aq)
Problem- How many grams of precipitant will form when 30mL of 2M calcium hydroxide is added to a solution containing excess scandium (III) chloride
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 10.13 mL of 0.08840 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.18 mL. Determine the percent WO3 in ..
What mass would carbon disulfide gas (CS2) have if 125 cm3 of the gas at 400°C exerts a pressure of 736 torr?
Calculate the 'size' of a hydrogen atom in its ground state according to this definition. Go on to explore how the 'size' varies as the definition is changed to other precentages, and plot your conclusion.
Calculate the work done in joules by the reaction when 0.35 g of Na reacts with water to form hydrogen gas at 5°C and 2.5 atm. 2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g)
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