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!
Platinum:
Atomic number
78
Symbol
pt
Atomic weight
195.09
Discovery
Olloa 1735
Electronic configuration
5d9
Melting point
17750C
Electrical resistivity
10.9*10-8 ohm-m.
Properties:
1. It is a white greyish metal.
2. It has a good tensile strength.
3. It is one of the most stable metals under combined action of corrosion and electrical erosion.
4. It does not corrode under most adverse atmospheric condition.
5. It can be easily drawn into wires.
Uses: Platinum finds application as a heating element in laboratory ovens and furnaces. Platinum-rhodium thermocouple is used for measurement of temperatures up to 16000C. It is also used as electrical contact material and as material for grids in special purpose vacuum tubes.
definition, Working principal, applications ??
An engineer is making an estimate for a home owner. This owner has a small stream (Q = 1.4 cfs, T = 40°F) that is located at an elevation H = 34 ft above the owner's residence. The
Isaac Newton’s Scam Spectrum – Several ways to make it observable and how they disprove his colour theory R.S.W.Bobbette 2018 Physicists, without question, believe Is
E lectrons have very much smaller mass than that of ions, so they respond more rapidly to a changing electric field. For electric field that oscillates at extremely high frequencie
what is the success and failure of bohrs model
The operation of a logic gate or circuit can be shown in a table which have all possible inputs and their corresponding output is known as the truth table. To write the truth table
The current/voltage relationship for two resistors A and B is as shown in Figure. Verify the value of the resistance of every resistor.
The fringe width in a Young's double slit arrangement is 0.008cm. What could be the fringe width if the slit separation is halved and the screen slit distance is doubled?
can u tell me wats d QD which has excitation at in the 980nm range?
A ray of light travelling in air is incident on a prism and passes through it with a speed of 2X10 8 ms -1 parallel to its base. If the angle of refraction is similar to half of
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