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Speculate on the structure of the compound formed when 4-dimethyl-aminobenzaldehyde is condensed with 4-chlorobenzaldehyde
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
In the electrolysis of a solution containing Ni2+ (aq), metallic Ni(s) deposits on the cathode. Using a current of 0.150 A for 12.2 min, what mass of nickel will form
How many kilojoules of heat is required to completely covert 70.0 grams of water at 66.0° C to steam at 100°C?
Consider a 2710-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car? in mph
What is the [Cu2+] concentration at 25 oC in the cell Zn(s)|Zn2+(aq, 1.0 M)||Cu2+(aq)|Cu(s)? The cell emf is 1.03 V. The standard cell emf
What is delta S for the conversion of 10 g of supercooled water at -10 degrees Celsius and 1 atm to ice at 10-10 degrees Celsius and 1 atm?
a person ate 0.144 pound of cheese an energy intake of 1150 kj. suppose that none of the energy was stored in his body.
Aluminum has a specific heat of 0.880 J/g-deg. How many joules are needed to heat 155g of Al from 20.0oC to 75.0oC
using a gas sample of an ideal gas of .95 mol 3.00 atm and at 300 k expands from sixteen litres to twenty eight litres
Find the partial pressure of each product and the total pressure in the flask at the end of the reaction?
What is the molar mass of lysine if 750.0 mL of a solution containing 8.60 g of lysine has an osmotic pressure of 1.918 atm? T = 25.0°C
A total of 5 moles of gas react together to produce 4 moles of gas. They are at equilibrium and the process is exothermic. It may be given as follows
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