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How much diesel fuel does it take to charge a mobile phone? One gallon of diesel fuel contains about 1.44E8 J of useful energy. The battery in a mobile phone contains about 15300.0 J of energy when fully charged.
Determine which of them exhibit resonance. (In other words, which of the following molecules exhibit resonance? Note: there is more than one answer and you must choose all of the molecules in the list that exhibit resonance.)
a if 65.65 g of mercuryii nitrate and 4.26 g of hydrogen sulfide are mixed in 490.0 g of water to form 54.16g of
Drawing and naming structures; IUPAC names, Give the structure or structures and the IUPAC names of the alkenes formed from the dehydrohalogenation of the following compounds with a strong base
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.30 g of sodium carbonate is mixed with one containing 4.71 of silver nitrate.
When power was turned off to a 30.0 gal. water heater, the temperature of the water dropped from 75.0°C to 22.5°C. How much heat was lost to the surroundings? (1 gal = 3.785 L) Assume the density of water is 1.00 g/mL.
Caculate the mass of KHC8H4O4 (molar mass= 204344 g/mol) that reacts with 15 mL of the NaOH solution (0.16 molar solution of NaOH). Express this mass KHC8H4O4 to the correct number of significant figures.
A certain weak base has a Kb of 8.70 × 10-7. What concentration of this base will produce a pH of 10.10
Draw the structure of phenylethyla amine and tell me what the CH3 and CH2 patterns in the HNMR
10M NaF solution is slowly added with stirring, to a solution that contains 10M Ca(NO3)2 and 10M Cr(NO3)3 .Which salt CaF2 - or - CrF3 precipitates first? The Ksp for CaF2 = 5.3x10^-9 & Ksp for CrF3 = 6.6x10^-11
A sample of laughing gas occupies 500.0Ml at a standard temperature and pressure . what volume will the gas occupy at 95.0oC and 525 torr.
the ligand hydrotris 1-pyrazolylborate is commonly used in biomimetic complexes. draw out the ligand. why is this a
Calculate the molality of ions in a solution made by mixing 6.17 g of CaCl2, MW=110.98, in 95.08 mL of water at 37.0°C. The density of water at this temperature is 0.9933 g/cm3 Submit your answer to 2 decimal places
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