How can produce the water and aluminum nitrate
Aluminum hydroxide and nitric acid reacts to produce the water and aluminum nitrate. Add the coefficients (including the 1) when you have balanced this equation.
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If the switch is closed and the coil carries a current I, a mass m should be added to the right side to balance the system. i) Determine an expression for the magnitude of the magnetic field and find out its direction.
Rust stains can be removed by washing a surface with a dilute solution of oxalic acid (H2C2O4). Explain what mass of rust can be removed by the 1.0 L of a 0.14 M solution of oxalic acid?
The bright yellow sodium line in the sodium spectrum is in reality a pair of closely spaced lines at around 589.0 nm and 589.6 nm. You view the sodium spectrum by using a diffraction grating having a spacing of 1400 nm (i) Determine the angular se
A red laser of 630 nm is aimed via a 0.122 mm diameter circular pinhole. In the resultant diffraction pattern, find out the angle from the central maximum to the first dark ring?
Annual operations and maintenance after completion is evaluated to be $40 million, payable at the end of year and with 5% annual increase thereafter.
If Venus is close to Earth and it emerges in a crescent phase. You can see this by employing a good pair of binoculars. i) Employ the astronomical data to find out the angular width of Venus if it is closest to Earth.
The calorimeter contained 500 g of water and the temperature rise measured was 1.40oC when a sample of magnesium metal (0.1946 g) was ignited in a constant-volume calorimeter of heat capacity 1349J/o C.
Assuming the complete dissociation of HCl and the lead salt, determine how much HCl is to be added to a 0.001 M lead salt solution to just prevent precipitation when saturated with the H2S.
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