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What would the overall balanced reaction be if methylamine gas is bubbled into distilled water? Can someone please provide the correct answer with a thorough explanation as to why this reactio
Consider a rectangular loop of wire 6.9 cm by 8.0 cm in a uniform magnetic field of magnitude 2.0 T. The loop is rotated from a position of zero magnetic flux to a position of maximum flux in 17 ms
How many ligands are there?How many counter ions are there? What is the oxidation number of the metal ?
What is the deflection caused by the vertical component of the Earth's magnetic field or strength 4 × 10^-5 T, assuming that any change in the horizontal component of the beam velocity is negl
A chemist claims to have found a complex ion where the most intensely absorbed light is 547.0 nm. Estimate the crystal field splitting energy for this ion in kJ/mol.
A 25-Ω resistance is connected in series with a 30-mH inductance and a 12-µF capacitor and are connected to a 90-V (rms) ac. If the frequency of the ac source is 500 Hz, calculate: (i) t
When the coil of a motor is rotating at maximum speed, the current in the windings is 9.0 A. When the motor is first turned on, the current in the windings is 16 A.
At a certain temperature the reaction CO2 (g) + H2 (g) ? CO (g) +H2O (g) has Kc = 2.50. If 2.00 mol of carbon dioxide and 1.5 mol of hydrogen are placed in a 5.00 L vessel and equilibrium is establi
A capacitor when fully charged holds 5.0 J of energy. When it is connected across a 10-kΩ resistor, 2.0 J of energy is dissipated in 8.5 ms. What is the capacitance of the capacitor?
An empty 2.0 L soda bottle is filled with water at room temperature (23oC). It is placed in a refrigerator for 1hour. When the bottle was removed, the water had cooled to15oC.
A 2.20m high rectangular door is closed by a force of 200.0N acting through the door knob. The door knob is at a perpendicular distance of 80.0cm from the hinged edge of the door and 1.1m from the b
What are the group Numbers of x and y? Will a compound of x and Y be ionic or covalent? Will Ions be formed by X and Y?
A 70.0kg diver stands on the free end of a diving board that is in equilibrium. The length of the diving board is 3.50m. The fixed end of the diving board is 1.50m from the fulcrum. Determine the ma
Two identical diverging lenses are separated by 17 cm. The focal length of each lens is -8.0 cm. An object is located 4.0 cm to the left of the lens that is on the left. Determine the final image di
Using values of ΔfG, calculate ΔrG for each of the following reactions at 25 degree C. Is the this a product favored at equilibrium?
ΔHvap = 31.3 kJ/mol for acetone. If 1.40 kgof water were vaporized to steam in a boiler, how much acetone ( inkg) would need to be vaporized to use the same amount of heat?
A student mixed 10 ml of 0.2 M KI with 20 ml of1.75x10-3 M of Na2S2O3and 30 ml of 0.050 M of(NH4)2S2O8. What is the molarity of KI?
Calculate the approximate standard feeenergy change for the ionization of hydrofluoric acid, HF (Ka= 1.0X 10^-3), at 25 °C. (at equilibrium)
A 3.00-liter flask initially contains 1.50 mol of gas A and .450mol of gas B. Gas A decomposes according to the following reaction:
A major buffer in the blood is the carbonic acid/ bicarbonate ion equilibrium. If the pKa of carbonic acid is 6.37, what must the ratio of bicarbonate ion to carbonic acid be in the blood to mainta
If HNO3 could not be found and I added6M HCl instead, what affect does this have on the test for sulfide ion. Explain. What affect does this have on subsequent tests of the supernatant? Explain.
The Goodyear blimps, which frequently fly over sporting events, hold approximately 175,000 ft^3 of helium. If the gas is at 23o C and 1.0 atm, what mass of helium is in the blimp?
Suppose a sample of NaCl increased in temperature by 2.5k whend the sample absorbed 1.7 *10 square j of energy as heat. calculate the number of moles of nacl if the heat capacity is 50.5 j/k*mol
What is the oxidation state and d electron count (numberof d electrons) for the metal ion in the following coordination complex ? Na3[IrCl6]