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What is the final volume in milliliters when 0.780 of a 39.7 (m/v) solution is diluted to 25.0 (m/v)? Express your answer numerically in milliliters.
The temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder
Calculate the theoretical yield of C2H5Cl when 135 g of C_2H_6 reacts with 225 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
water has a molar heat of vaporization =40.79 kJ/mol, determine how many grams of water could be vaporized by 0.806 kilo Joules heat? Express your answer in units of g
Explain the three main types of intermolecular forces including dispersion forces, intermolecular forces, dipole-dipole force explain what they are also provide an example of each intermolecular force where it occurs.
A 4.70 g nugget of pure gold absorbed 260 J of heat. The initial temperature was 28.0°C. What was the final temperature.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
How much energy (in kilojoules) is required to convert 285 ml of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
Heat realsed by combustion of ethyl ether, 1. In earlier times, ethyl ether was commonly used as an anesthetic. It is, however, highly flammable. When 5.0 mL of ethyl ether C4H10 (l), (d=0.714 g/mL) is burned in a bomb calorimeter
Determine how many milligrams of H 2 O are present in sample If the freezing point of a 100.0g sample of 2-methyl-2-propanol =24.59C?
An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
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