How many moles of bcl3 are needed to produce 25.0 g of hcl
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?BCl3(g) + 3 H2O(l) → 3 HCl(aq) + B(OH)3(aq)
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A 10.0L container of helium gas with a presure of 250mmHg at 0 degrees Celsius is heated to give a pressure of 1500mmHg. What is the temperature in degrees Celsius?
Figure 1 shows a class A power amplifier. Assuming that the base-emitter voltage (VBE) of the transistor in conduction is 0.7V. If the resistance RB = 1.2k W and RE = 50 W,Determine the quiescent output voltage VCEQ and current ICQ
Solid silver nitrate is added to a solution that is 0.0010 M each in NaCl, NaBr, and NaI. For AgI, ksp= 1.5x10^-16, for AgBr, ksp= 3.3x10^-13, and for AgCl, ksp= 1.8x10^-10
A 64 g piece of ice at 0 degrees celsius is added to a sample of water at 9 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
A certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. A leaking metal can containing 2.0 kg of the pesticide was dumped into a stream with a flow of 10.0 Liters per second moving at 1.9 km/hr.
In an FDMA system, each user is allocated a duplex channel i.e. one for uplink and other for downlink voice communication. Also, these channels need to be guarded from each other for interference by providing sufficient separation in the spectrum
The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.74 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
A cast iron water main 14m long of 600 mm inside diameter and 30 mm wall thickness runs full of water and is supported at its ends. Calculate the maximum stress in the metal if density of cast iron is 7200 kg/m and that of water is 1000 kgm.
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