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!
The concentration of cobalt(ll) ions is found to be 0.23 mol/L. What is the expected concentration of chloride ions?
If Water is added to 278 mL of a 2.00 mol/ L silver nitrate solution until the final volume is 1.24 L. Calculate the molar concentration of the final dilute solution.
Two vessels are labeled A and B. Vessel A contains NH3 gas at 70°C, and vessel B contains Xe gas at the same temperature. If the average kinetic energy of NH3 is 7.1 10-21 J/molecule, calculate the mean-square speed of Xe atoms in m2/s2.
Barium sulfate, , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail
What would happen to any ice contained within a fragment? What type of phase change would this be? Is this type of change considered a chemical change or a physical change? Explain
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 431 grams of ice initially at -12°C to liquid water at 70°C?
Determine the density and atomic radius of tungsten (W) if it crystallizes in a face centered cubic arrangement with cell edge 399 pm.
Explain why is it important to maintain a constant temperature in this experiment. electrophilic aromatic substitution lab
Show that the Slater determinant formalism automatically incorporates the Pauli exclusion principle by evaluating the He ground-state wave function of Equation 10.8, giving both electrons the same quantum numbers.
Phosphate systems form necessary buffers in organisms. Compute the pH of a buffer made by dissolving .8mol of NaOH in .5L of 1M H3PO4.
Calculate the pressure exerted by Ar for a molar volume of 1.04L/mol at 475K (a) the ideal gas law and (b)using the van der Waals equation of state
A toothpaste contains 0.24% by mass of sodium fluoride used to prevent caries (cavities) and 0.30% by mass of triclosan (C12H7Cl3O2). A PRESERVATIVE + ANTIGINVITIS AGENT.
A reaction occurs at a rate of 2.25 *10-2 moles per liter per second at 332 K. Estimate the increase in the rate of a reaction when the temperature increases to 332 K. Express the rate in moles per liter per second.
Questions :when doing the flame test, why the magnesium chloride is colorless in the flame test? and the Magnesium is bright white? my thought are below: I hope that you could refer to my thought and elaborate this :)
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