The resistances of a platinum

  1. The resistances of a platinum resistance thermometer at the ice point, the steam point and the boiling point of sulphur are
    1. answers icon 0 answers
    2. shashi ranjan asked by shashi ranjan
    3. views icon 699 views
  2. Which of the following describes the characteristics of an ammeter?Group of answer choices They have low resistances and are
    1. answers icon 1 answer
    2. views icon 51 views
  3. This is how platinum appears in the periodic table.A purple box has P t at the center and 78 above. Below it says platinum and
    1. answers icon 1 answer
    2. views icon 55 views
  4. While researching a topic, a student has taken the following notes:Platinum is a rare and expensive metal. It is used as a
    1. answers icon 1 answer
    2. views icon 83 views
  5. Please help with 5 questions:1) what metals are the alternatives to platinum? 2) what are the advantages/disadvantages of these
    1. answers icon 1 answer
    2. LISA AND MICHELLE IN LA asked by LISA AND MICHELLE IN LA
    3. views icon 731 views
  6. (PLEASE HELP ME URGENTLY) The electrical resistances of the element in a platinum resistance thermometer at 100°C, 0°C and
    1. answers icon 4 answers
    2. Richard asked by Richard
    3. views icon 1,476 views
  7. A platinum resistance thermometer has resistances of 200.0 ohms when placedin a 0 degrees Celsius ice bath and 253.8 ohms when
    1. answers icon 1 answer
    2. Ella asked by Ella
    3. views icon 2,596 views
  8. Find the effective resistances in paralleif all four resistances are equal to 1 ohm
    1. answers icon 1 answer
    2. Mohd asked by Mohd
    3. views icon 453 views
  9. One gram of platinum has 3.09 × 1021 atoms, and each platinum atom has 78 electrons.How many electrons are contained in 4.00 g
    1. answers icon 1 answer
    2. Rachel asked by Rachel
    3. views icon 755 views
  10. Pure platinum is too soft to be used in jewelry because it scratches easily. To increase the hardness so that it can be used in
    1. answers icon 4 answers
    2. Pauline asked by Pauline
    3. views icon 4,329 views