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N-Methyl-2-pyrrolidone is an aprotic solvent used in many industrial processes. Draw the structure of the product formed when it is heated with strong aqueous acid 6MHCI, H20 and heat.
identify the stronger acid in each of the following pairs a)NH4^+ or H3O^+ b)H2SO4 or HCN c)H2O or H2CO3
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ironic.
Gadolinium sulphate obeys Langevin's theory of paramagnetism down to a few degrees Kelvin, Determine the degree of magnetic saturation in this salt at a temperature of 2K in a field of flux density 2
Suppose you wish to make a solenoid whose self-inductance is 1.5 mH, The inductor is to have a cross-sectional area of 1.7 x 10-3 m2 and a length of 0.046 m
Rank the following carbonyl-containing compounds in order of reactivity towards nucleophilic attack.From most reactive to least reactive
Two capacitors of capacitance 6.00 microFarad and 8 microfarad are connected in parallel, What is the potential difference across the 6.00-uF capacitor
Use the standard reduction potentials to find the equilibrium constant for each of the following reactions at 25°C.(a) Br2(l) + 2 I ?(aq) 2 Br?(aq) + I2(s)
A proton has an initial speed of 3.3*10^5, What potential difference is required to reduce the initial speed of the proton by a factor of two
A metal (M) forms an oxide with the formula MO. If the oxide contains 63.97% O by mass, what is the identity of the metal. Express answer as a chemical symbol.
A block of wood is held in place against a rough wall by someone pushing on it with a force directed upward at 28 degrees above the horizontal, What is the mass of the block of wood
Four copper wires of equal length are connected in series. The cross sectional areas are 1 cm2, 2 cm2, 3 cm2, and 5 cm2, What is the voltage across the 2 cm2 wire in units of volt
A spring with an unstrained length of 0.074 m and a spring constant of 2.4 N/m hangs vertically downward from the ceiling, What is the magnitude of the external electric field
Three wires are arranged parallel to each other. Wire 1 sits at x = -2.5m with a current I1 = 3.0A directed into the page, Determine the location of wire 3 and the direction of the current such that t
An ideal gas initially at 20°C and 219 kPa has a volume of 4.70 L. It undergoes a quasi-static,, Find the heat added to the gas during the expansion.
the rate constant (k) at 25 C is 0.235 M^-1 S^-1. At 50 C the rate constant is 1.12 M^-1 S^-1. What is the frequency factor, A for this reaction in units of M^-1S^-1
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 727 .What is the partial pressure of the hydrogen gas collected in this way
When sodium carbonate dissolves in water, the carbonate ion CO3^2- acts as a base. write a balanced equation for the reaction of the carbonate ion with water.
When the reaction is conducted in this way, however, a polymeric product is produced after step 1. What is the structure of the polymer? Why does p-acetamidobenzenesulfonyl chloride not produce a poly
A 3-kilogram block slides along on a frictionless surface at 6 m/s north and strikes an obstacle that exerts an impulse on the block of 9 N-s to the south
On a frictionless surface, a 3-kilogram cart moves at a velocity of 2 meters per second west, What is this slower speed
The rate law for the reaction, 2NO(g) + O2(g) -- 2NO2(g), is found to be: rate of reaction=k[NO]2[O2]2 (PLEASE note that the 2's after the concentrations are powers, so we have NO to the power of 2
A 0.40-kilogram ball has a speed of 3 meters per second and collides with a stationary 4-kilogram block, what is the total momentum of the ball and block after the collision
Identify the acid and base on the left side of the following equations and identify their conjugate species on the right side
A force F acts on a 10kg object at rest for 3s and changes its velocity to 6m/s. What is the change in momentum of the object, What is the impulse of the force on the car