Describe the salts with respect to changing the ph
Recognize the following salts as likely to be basic (B), acidic (A) or neutral (N) salts with respect to changing the pH of the solution when dissolved in DI water.
LiNO3
K2CO3
CaCl2
(NH4)2SO4
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0.0350 of potassium sulphate is transferred and weighted to 250 ml volumetric flask , which is then diluted to the mark with distilled water, assume density is 1.000g/ml, the potassium sulphate purity in the water is only 85.5%.
This method is capable of detecting magnetic fields as weak as 1.0 x 10-15 T. Model the neuron as a long wire carrying a current and determine the current it should carry to generate a field of this magnitude at a distance of 2.5 cm from the neuron
Lighting strikes average of 7 times per minute throughout a summer thunderstorm. What's the chance that it strikes again within 3 seconds of the previous strike?
An inductor of 6.20 mH is one of the elements in a simple RLC series circuit. If this circuit is joined to a 1.60 kHz sinusoidal source with an rms voltage of 822.0 V, an rms current of 2.50 A lags behind the voltage by 62.0° i) Determine the
Draw the curve determine rectangular coordinate equation by eliminating parameter x=2sint y=2cost 0 less than or equal to t less than or equal 2 pi.
Calculate the factors by which the concentrations of the following species have to be multiplied to convert them to concentrations in mg/L as CaCO3: CaO, HCl, Na2CO3, Na, Ca(HCO3)2.
The diffraction grating 20.0 mm wide consists of 4800 rulings. The Light of wavelength 585 nm is incident perpendicularly on the grating. i) Determine the biggest value of at which a maximum appears on a distant viewing screen?
At 4 degrees Celsius a pitcher containing 0.75ml of water is removed from the refrigerator. Determine the numbers of kilojoules are required to warm the water to a room temperature of 27 degrees Celsius?
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