Podcast
Questions and Answers
Which of the following is true about lithium hydride?
Which of the following is true about lithium hydride?
- It has a low melting point
- It is soluble in molten lithium fluoride
- It is soluble in all protic organic solvents
- It is a diamagnetic material (correct)
What is the molar mass of lithium hydride?
What is the molar mass of lithium hydride?
- < 1% at 350 °C
- 7.95 g/mol (correct)
- 13.0 (static, low frequencies)
- 2×10−5 Ω−1cm−1
What is the dielectric constant of lithium hydride at visible-light frequencies?
What is the dielectric constant of lithium hydride at visible-light frequencies?
- 3.6 (correct)
- 2×10−5 Ω−1cm−1
- > 100% at 475 °C
- 13.0
What is the Mohs hardness of lithium hydride?
What is the Mohs hardness of lithium hydride?
At what temperature does the conductivity of lithium hydride reach 0.18 Ω−1cm−1?
At what temperature does the conductivity of lithium hydride reach 0.18 Ω−1cm−1?