Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Consider the highest angle line on the diffraction pattern of Cu and of Pb, measured at 20 celsius with CuK radiation. by what percentage is the intensity of each of these lines reduced by thermal vibration of the atoms
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
A mechanic in an automotive repair shop is exposed to the following carbon monoxide levels over an 8 hour shift.
An exothermic reaction liberates 7.58 kJ of heat in a coffee cup calorimeter containing 157 grams of solution. The temperature of the solution in the calorimeter increases by 11.2°C. How much heat was absorbed by the calorimeter? Assume the specif..
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.376 M NH3 (Kb for NH3 = 1.8 x 10^-5. What is the equilibrium concentration of NH4^+ ions? The answer is 9.0 x 10^-5 M.
Gaseous ammonia reacts with oxygen gas to produce gaseous nitrogen monoxide and liquid water. If 750 grams of ammonia and 750 grams of oxygen gas were mixed
A 0.3146 g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 38.50 mL of 0.08765 M AgNO3(aq) to preipitate the Cl- (aq)and Br-(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in ..
Addition of NH3 precipitated Fe2O3*xH2O, which was ignited to give 0.264g of Fe2O3 (FM 159.69). What is the average mass of Fe2SO4*7H2O (FM 278.01) in each tablet?
A sample of an ideal gas at 1.00 atm and a volume of 1.89 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?
Calculate osmolarity of 100 mg/dl Glucose. I ended up with 6.25 mOsm and the answer was 5.6 mOsm/L. MW Glucose: 180 g/mol
why zinc and magnesium good sacrificial anodes for pipeline,but lead and tin will not be good? what would happen to pipeline protected by lead sacrificial anodes,and why?
Write a balance equation for the reaction of nitric acid (HNO3) with each base solution : [1]. NaHCO3, [2]. MgCO3. ( Please include the phases of the substance)
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd