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!
Consecutively to make some tea you place a 513.63 g copper teakettle containing 121.17 ml of water (density = 1.0 g/ml) on a stove. If the stove supplies 357 J/s as well as no heat is lost to the surroundings, how long does it take for the water to boil? Presume that room temperature is 17.2 oC. The specific heat of copper is Cp = 0.385 J/g•°C.
Explain the broader melting point range observed for the second sample. The reported melting point for the compound is 143 degree C.
How will density, melting,and boiling point temprature hardness elastisity,expansion,conductivity been infulance atomic constution.Explain.
15.0 g of ice cubes at 0.0°C are combined with 150. g of liquid water at 70.0°C in a coffee cup calorimeter. Calculate the final temperature reached, assuming no heat loss or gain from the surroundings.
In a test to indicate whether or not an unknown solution is an aldehyde or ketone, explain how the unknown solution is one or the other (or something else) based on each of the seven test results/observations combined below:
KMnO4 is used as the tirant in a potentiometric titration of tin(II) to tin(IV), using a S.C.E. reference electrode. The potential of the indicator electrode at the equivalence point would be calculated as:
-Suppose a small amount lead(II) chloride got into your Ba(OH)2 Sample before your titration,contaminating it. How do you think the contamination would effect your calculated concentration for the sample. What about a small amount of FeCI3.
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency \rm 1.0\times10^{15}Hz
at 25degc hydrogen iodide breaks down very slowly to hydrogen and iodine ratekhi2. the rate constant at 25degc is 2.4
Determine the wt./vol. % of Fluoride in toothpaste if the calculated molarity is 0.002491 M. The actual value is 0.15% so it should be somewhat close to this value. The density is 1.34 g/ml
Aluminum chlorhydrate is added to antiperspirants to stop people from sweating. If this compound contains neutral H2O molecules and Al3+, OH- and Cl- ions, and the formula of this compound is Alx(OH)5Cl 2H2O, what is the value of x in this formula
If CO2 is not removed by boiling after the addition of HCL, how will this affect the determination of moles of base per gram of antacid tablet?
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction.
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