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!
A sample of gold with a mass of 197 grams is made up of 6.02 x10^23 atoms. What is the mass of just one atom of gold?a. approximately 5 x 10^11b. 197 gramsc. 3.3 x 10^-22 gramsd. Atoms are so small that the mass of one atom cannot be determined.
Heat leaks into the interior compartment of a refrigerator at a rate of 100 cal/s. if the air outside is 30 degC, how many watts of electricity are needed to keep the interior at 4 degC. assume an ideal, reversible refrigerator.
Identify an alkane with the molecular formula c5h12 that forms only one monochlorinated product when heated with Cl2
The compound Ca3(PO4)2 has a Ksp of 2.0 X 10-29. If the phosphate ion concentration is adjusted to a value of 2.5 X 10-2, what is the minimum Ca2+ concentration that will cause precipitation
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
A 200.0-mL sample of the same tap water required 47.86 mL of the standard EDTA for titration at pH 10 using calmagite indicator. Calculate the molar concentration of Mg2+ in the tap water.
The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution
Explain why alcl3 has a molar heat capacity that is approximately 4 times the molar heat capacity of a metallic crystal.
an evacuated empty 276 ml glass bulb weighs 129.6375 g. filled with an unknown gas the bulb weighs 130.0318 g.
What amount of chlorine gas is obtained by treating 80 g of magnesium dioxide in excess of HCl the following reaction. MnO2 + 4 HCl => MnCl2 + 2H2O + Cl
A laser pulse with a wavelength of 532 nm contains 3.85 mJ (milliJoule) of energy. (a) Calculate the frequency and energy per photon of the laser light. (b) How many photons are in the laser pulse? (c) What is the energy in kilojoules per mole (kJ..
What are the p, V, and T values of the final state of the same perfect gas after an adiabatic expansion to a final pressure of 0.100bar that follows the gas law: PV^(5/3)=constant
what volume will it occupy? Assume constant pressure. Note the temperatures are given in two different units. Be sure to change each to deg K first.
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